{"title":"Water Filtration Replacement Cartridges","description":"\u003cp\u003eBrowse replacement water filter cartridges and sets. Match the system model, cartridge dimensions and connection type before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/fit-confidence\"\u003eFit and buying help\u003c\/a\u003e · \u003ca href=\"\/pages\/contact\"\u003eAsk Filter Villa\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"coconut-based-5-micron-carbon-block-filter-cartridge","title":"Coconut Based 5-Micron Carbon Block Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eThat swimming-pool smell when you fill a glass. Coffee that tastes a little off. A chemical note in the shower.\u003c\/strong\u003e On chlorinated city water, that is usually chlorine, and activated carbon is the classic fix.\u003c\/p\u003e\u003cp\u003eThis replacement carbon block water filter is one solid block of acid-washed coconut shell activated carbon, rated at 5 microns. It reduces chlorine taste and odor, volatile organic compounds (VOCs) and fine sediment, so the water from your Crystal Quest countertop, under-sink, reverse osmosis or whole house system tastes clean again.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter-tasting water:\u003c\/strong\u003e reduces chlorine taste and odor and VOCs, the targets printed on every cartridge label\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo jobs in one stage:\u003c\/strong\u003e carbon adsorption plus mechanical filtration of particles down to 5 microns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcid-washed coconut shell carbon\u003c\/strong\u003e formed into a solid block with a low pressure drop, so flow stays strong\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e for countertop, under-sink, RO and whole house housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service life:\u003c\/strong\u003e typically 12 to 24 months, about 18 months for most homes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eThe photos show the cartridge as it ships: a dark carbon block inside a polyolefin wrap and polypropylene netting, closed with polypropylene end caps and a Buna-N gasket on top that seals against the housing cap. The label carries the part numbers, the pressure range and the replacement steps, so the next change is easy.\u003c\/p\u003e\u003ch3\u003eHow a carbon block filter works\u003c\/h3\u003e\u003ch4\u003eAdsorption on a huge internal surface\u003c\/h4\u003e\u003cp\u003eActivated carbon is carbon that has been treated with steam at very high temperature until it is full of tiny pores. That internal surface is enormous. As water passes through, many organic chemicals and the compounds behind chlorine taste and odor are attracted to the carbon and held on its surface. Chemists call this adsorption.\u003c\/p\u003e\u003ch4\u003eWhy coconut shell, and why acid-washed\u003c\/h4\u003e\u003cp\u003eCrystal Quest specifies coconut shell carbon for this block and has it acid-washed, an extra processing step used to enhance how well activated carbon removes contaminants. The result is a clean, dense carbon made for drinking water.\u003c\/p\u003e\u003ch4\u003eWhy a solid block\u003c\/h4\u003e\u003cp\u003eLoose granular carbon (GAC) adsorbs, but it does not strain. Because this carbon is one solid block, it does both: it adsorbs chemicals and it catches particles down to its 5-micron rating. You get carbon treatment and fine sediment filtration in a single housing.\u003c\/p\u003e\u003ch4\u003eContact time matters\u003c\/h4\u003e\u003cp\u003eThe longer water stays in contact with carbon, the more the carbon can adsorb. Each size carries its own rated flow, from 0.5 GPM for the 2-7\/8\" x 9-3\/4\" to 6 GPM for the 4-5\/8\" x 20\". Taste and odor compounds take relatively little carbon to handle, which is a big reason a carbon block keeps water tasting clean for many months.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets (printed on the cartridge label):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChlorine taste and odor\u003c\/li\u003e\n\u003cli\u003eVolatile organic compounds (VOCs)\u003c\/li\u003e\n\u003cli\u003eSediment and fine particles down to 5 microns\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced by activated carbon, where present\u003c\/strong\u003e (a capability of the media, not a separate tested rating for this cartridge):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome pesticides and herbicides, such as atrazine\u003c\/li\u003e\n\u003cli\u003eSome disinfection byproducts, such as trihalomethanes (THMs)\u003c\/li\u003e\n\u003cli\u003eOther organic taste and odor compounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChloramine:\u003c\/strong\u003e activated carbon can reduce it, but a standard carbon block is less effective on chloramine than catalytic carbon. If your city uses chloramine, pair this block with a \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge\"\u003eSMART Filter Cartridge\u003c\/a\u003e, whose blend includes catalytic carbon.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, hardness minerals, fluoride, nitrate, total dissolved solids, or lead and other heavy metals. For those, Crystal Quest has dedicated stages such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/lead-filter-cartridge\"\u003eLead Filter Cartridge\u003c\/a\u003e, SMART cartridges and reverse osmosis.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified for our own systems.\u003c\/strong\u003e This is the carbon block stage in Crystal Quest double and triple cartridge systems, Thunder under-sink RO systems and whole house RO pre-filtration, so a replacement matches what your system was designed around.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSized by real measurements.\u003c\/strong\u003e Every option is listed by actual cartridge diameter and length, not a loose nominal size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management and has made water filtration in the USA for over 30 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime support.\u003c\/strong\u003e Call, email or chat with our water filtration team whenever you have a question.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble cartridge systems:\u003c\/strong\u003e first stage, ahead of SMART\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple cartridge systems:\u003c\/strong\u003e last stage, after sediment and SMART\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty triple systems:\u003c\/strong\u003e first stage, ahead of SMART and the specialty cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO:\u003c\/strong\u003e third pre-filter, after UF and SMART, protecting the membrane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house RO with three pre-filter housings:\u003c\/strong\u003e after sediment and SMART\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Removal triple cartridge systems:\u003c\/strong\u003e last stage, after the iron cartridge and SMART\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePick the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04000), 2-7\/8\" x 20\" (CQE-RC-04014), 4-5\/8\" x 9-3\/4\" (CQE-RC-04035) or 4-5\/8\" x 20\" (CQE-RC-04036).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is a carbon block different from a GAC cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA carbon block is one solid block of carbon with a 5-micron rating, so it also filters fine particles. Crystal Quest's \u003ca href=\"https:\/\/crystalquest.com\/products\/coconut-shell-granular-activated-carbon-gac\"\u003eGAC cartridge\u003c\/a\u003e holds loose granules of coconut shell and catalytic carbon blended with ERA 6500 redox media. Keep the type your system specifies.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes a carbon block filter remove chlorine and chloramine?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt reduces chlorine taste and odor, its primary job. Activated carbon can also reduce chloramine, but a standard carbon block is less effective on it than catalytic carbon, so on chloraminated city water pair it with a SMART cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill it remove fluoride, lead or hardness?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Activated carbon does not remove fluoride, nitrate or hardness minerals, and a standard carbon block is not a heavy metal stage. Crystal Quest offers fluoride, lead and softening solutions for those jobs.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size carbon block fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eUse the actual diameter and length on your current cartridge: 2-7\/8\" x 9-3\/4\", 2-7\/8\" x 20\", 4-5\/8\" x 9-3\/4\" or 4-5\/8\" x 20\". These fit 2.5\" x 10\", 2.5\" x 20\", 5\" x 10\" Big Blue and 5\" x 20\" Big Blue housings. Each size has its own flow rate, from 0.5 to 6 GPM.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace a carbon block filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTypically 12 to 24 months, about 18 months for most homes. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy is the first water gray after a change?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA new carbon block can release fine carbon particles at first. Run the water for 5 to 10 minutes before first use, as the cartridge label directs, and it clears.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere does the carbon block go in a multi-cartridge system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIn Crystal Quest's double systems it comes first, ahead of SMART. In triple systems it is the last stage, after sediment and SMART.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eCarbon block specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge. Sizes are actual cartridge diameter x length.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eFITS HOUSING\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eFLOW RATE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eTYPICAL REPLACEMENT\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04000\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04014\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04035\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04036\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and filtration\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003eAcid-washed coconut shell activated carbon, solid carbon block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduces (cartridge label)\u003c\/td\u003e\n\u003ctd\u003eChlorine taste and odor, VOCs, sediment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eHardness, fluoride, nitrate, TDS, heavy metals, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOperating conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure range\u003c\/td\u003e\n\u003ctd\u003e30 to 60 psi (2.1 to 4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater temperature\u003c\/td\u003e\n\u003ctd\u003eCold water only, 40°F (4.4°C) minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater quality\u003c\/td\u003e\n\u003ctd\u003eUse only on microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBefore first use\u003c\/td\u003e\n\u003ctd\u003eRun water 5 to 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFiber Media: Acid-Washed Coconut Shell Granular Activated Carbon\u003c\/li\u003e\n\u003cli\u003eEnd Caps: Polypropylene\u003c\/li\u003e\n\u003cli\u003eInner\/Outer Casing: Polyolefin\u003c\/li\u003e\n\u003cli\u003eNetting: Polypropylene\u003c\/li\u003e\n\u003cli\u003eGasket: Buna-N (top)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Typically 12 to 24 months, about 18 months for most homes. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8” x 9-3\/4” \/ Single","offer_id":67806676418648,"sku":"CQE-RC-04000","price":22.95,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 2","offer_id":67806676451416,"sku":"CQE-RC-04000-2PK","price":45.9,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 4","offer_id":67806676484184,"sku":"CQE-RC-04000-4PK","price":91.8,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Single","offer_id":67806676516952,"sku":"CQE-RC-04014","price":31.5,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 2","offer_id":67806676549720,"sku":"CQE-RC-04014-2PK","price":63.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 4","offer_id":67806676582488,"sku":"CQE-RC-04014-4PK","price":126.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Single","offer_id":67806676615256,"sku":"CQE-RC-04035","price":39.5,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67806676648024,"sku":"CQE-RC-04035-2PK","price":79.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67806676680792,"sku":"CQE-RC-04035-4PK","price":158.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Single","offer_id":67806676713560,"sku":"CQE-RC-04036","price":49.5,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 2","offer_id":67806676746328,"sku":"CQE-RC-04036-2PK","price":99.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 4","offer_id":67806676779096,"sku":"CQE-RC-04036-4PK","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/coconut-based-5-micron-carbon-block-filter-cartridge-crystal-quest-water-filter-cartridges-1263260680.webp?v=1792488218"},{"product_id":"fluoride-removal-inline-reverse-osmosis-filter-cartridge","title":"Fluoride Removal Inline \/ Reverse Osmosis Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eFluoride reaches tap water two ways: many cities add it, and it also occurs naturally from the erosion of mineral deposits.\u003c\/strong\u003e If you want less of it in the water from your cooler, RO faucet or refrigerator line, the media inside the filter is what decides the result.\u003c\/p\u003e\u003cp\u003eThis inline fluoride filter cartridge, part CQE-RC-04060, is filled with Crystal Quest Calcium GAC: black granular bone char made by calcining cattle bones until only a mineral framework of hydroxyapatite and a carbon surface remain. That mineral framework is what captures fluoride. The label names it plainly: Calcium GAC Fluoride Reduction Inline Cartridge.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets fluoride\u003c\/strong\u003e in municipal water, as a dedicated point-of-use stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal bone char:\u003c\/strong\u003e 70 to 76% hydroxyapatite and 9 to 11% carbon, per Crystal Quest's Calcium GAC data sheet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA natural mineral reaction\u003c\/strong\u003e locks fluoride into the media as fluorapatite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits where you need it:\u003c\/strong\u003e pre or post RO, refrigerator and ice maker lines, water coolers and fountains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline and sealed:\u003c\/strong\u003e plumbed on the water line with threaded connectors, replaced as one piece\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed inline cartridge with an elbow connector at each end. The label shows the flow arrow, part number CQE-RC-04060, the operating limits and nine numbered replacement steps. Inside, the black bone char granules are sealed in, so a change is a clean swap of the whole cartridge.\u003c\/p\u003e\u003ch3\u003eHow bone char removes fluoride\u003c\/h3\u003e\u003ch4\u003eA swap inside the crystal\u003c\/h4\u003e\u003cp\u003eHydroxyapatite holds hydroxide groups in its crystal structure. Fluoride carries the same charge and is almost the same size, so it can take the hydroxide's place. The result is fluorapatite, a stable, insoluble mineral that stays locked in the media instead of returning to your water. Where fluoride is higher, some of it also precipitates with calcium from the media as calcium fluoride.\u003c\/p\u003e\u003ch4\u003eA carbon surface, too\u003c\/h4\u003e\u003cp\u003eUnlike aluminum oxide fluoride media, bone char also carries carbon: Calcium GAC has about 200 m²\/g of total surface area, about 50 m²\/g of it carbon. That carbon surface adds adsorption of some dissolved organic and colored compounds, which is why bone char has a long history in purification beyond water.\u003c\/p\u003e\u003ch4\u003eWhy pH and contact time matter\u003c\/h4\u003e\u003cp\u003eBone char takes up fluoride best in slightly acidic to neutral water, and its capacity falls as pH rises. The exchange is also gradual: the longer water stays in contact with the media, the more fluoride it can take up. That is why an inline cartridge running at its rated flow, rather than faster, gives the media the time it needs.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target (printed on the cartridge label):\u003c\/strong\u003e fluoride, specifically inorganic fluoride in municipal water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso adsorbed by bone char\u003c\/strong\u003e (a capability of the media, not a separate tested rating for this cartridge):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy metals such as lead, which Crystal Quest's Calcium GAC data sheet lists among bone char's strengths\u003c\/li\u003e\n\u003cli\u003eSome dissolved organic and colored compounds, through its carbon surface\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, nitrate, hardness, dissolved solids, or chlorine and chemical tastes as a dedicated stage. For chlorine and chemicals, pair it with a \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-reverse-osmosis-multi-stage-filter-cartridge\"\u003eSMART inline cartridge\u003c\/a\u003e. Use it only on water that is microbiologically safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it right for my water?\u003c\/strong\u003e It is built for inorganic fluoride in municipal water. If your fluoride is organic or comes from a well or another natural source, talk to a Crystal Quest specialist first. A \u003ca href=\"https:\/\/crystalquest.com\/products\/fluoride-test\"\u003eFluoride Test\u003c\/a\u003e shows your starting level and lets you check the treated water. Bone char is animal-derived; if you prefer a non-animal media, Crystal Quest's \u003ca href=\"https:\/\/crystalquest.com\/products\/aluminum-oxide-fluoride-filter-cartridge\"\u003eAluminum Oxide Fluoride Reduction Filter Cartridge\u003c\/a\u003e comes in standard drop-in sizes.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur default fluoride media.\u003c\/strong\u003e Calcium GAC is the standard fluoride cartridge media across Crystal Quest's cartridge systems, now in an inline format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA published media spec.\u003c\/strong\u003e Hydroxyapatite and carbon content, surface area, pore structure and hardness are listed in the Specifications tab, from Crystal Quest's own data sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear scope.\u003c\/strong\u003e We tell you the water it is built for and what affects its life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO systems:\u003c\/strong\u003e listed as the optional fluoride cartridge, CQE-RC-04060, on Thunder system pages such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-under-sink-water-filter-1000c\"\u003eThunder 1000C\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003eCountertop Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e listed as its optional fluoride stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottleless water coolers:\u003c\/strong\u003e listed as an optional cartridge in the water cooler manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerator and ice maker lines:\u003c\/strong\u003e plumbed inline on the supply tubing. It is not a slot-in replacement for a refrigerator's built-in filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOptional inline specialty cartridges do not have one fixed position in every system. Its published applications include pre and post point-of-use RO; install it where your system's manual specifies. Need a fluoride stage in a standard drop-in housing? See the \u003ca href=\"https:\/\/crystalquest.com\/products\/calcium-gac-fluoride-reduction-filter-cartridge\"\u003eCalcium GAC Fluoride Reduction Filter Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes an inline fluoride filter really remove fluoride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Fluoride swaps into the hydroxyapatite in bone char and forms fluorapatite, a stable mineral that stays in the media. How much it removes depends on your fluoride level, pH, flow and how much capacity remains, so test your water to see your results.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs Calcium GAC the same as bone char?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Calcium GAC is Crystal Quest's name for its bone char media: black granular bone char made by calcining cattle bones, mostly hydroxyapatite with a carbon surface. It is a different material from coconut shell carbon.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use it on well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt is intended for municipal water with inorganic fluoride. For organic fluoride or fluoride from a natural source such as a well, speak with Crystal Quest for a system recommendation.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere does it go in my system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOptional inline specialty cartridges do not have one fixed position in every system. Its published applications include pre and post point-of-use RO; install it where your system's manual specifies.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long does it last?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIncoming fluoride levels and how much water you use set the service plan. A fixed interval is not established for this cartridge, so confirm the plan with Crystal Quest and test the treated water.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it different from the drop-in fluoride cartridges?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCrystal Quest's drop-in fluoride cartridges fit standard housings in four sizes. This is an inline cartridge with the same Calcium GAC media for coolers, appliance lines and point-of-use RO systems.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs bone char vegan?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Bone char is made from cattle bone. For a non-animal fluoride media, choose the Aluminum Oxide Fluoride Reduction Filter Cartridge in a drop-in housing.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre and post point-of-use reverse osmosis\u003c\/li\u003e\n\u003cli\u003eIce maker and refrigerator\u003c\/li\u003e\n\u003cli\u003eWater cooler\/fountain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04060\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eInline fluoride reduction cartridge for municipal water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCalcium GAC media (Crystal Quest data sheet)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eBlack granular bone char, made by calcining cattle bones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTricalcium phosphate (hydroxyapatite)\u003c\/td\u003e\n\u003ctd\u003e70% to 76%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon content\u003c\/td\u003e\n\u003ctd\u003e9% to 11%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalcium carbonate\u003c\/td\u003e\n\u003ctd\u003e7% to 9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface area (BET N₂)\u003c\/td\u003e\n\u003ctd\u003e200 m²\/g total; 50 m²\/g carbon surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore size distribution\u003c\/td\u003e\n\u003ctd\u003e7.5 to 60,000 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore volume\u003c\/td\u003e\n\u003ctd\u003e0.225 cm³\/g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness number\u003c\/td\u003e\n\u003ctd\u003e80 minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcid soluble ash\u003c\/td\u003e\n\u003ctd\u003e3% maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIron\u003c\/td\u003e\n\u003ctd\u003eLess than 0.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia pH\u003c\/td\u003e\n\u003ctd\u003e8 to 10 typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eIon exchange and precipitation on hydroxyapatite (fluoride forms fluorapatite), plus carbon adsorption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eInorganic fluoride in municipal water; consult Crystal Quest for well or natural sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eSealed inline cartridge, threaded elbow connector at each end, flow arrow on label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications (cartridge label)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Water supply\u003c\/td\u003e\n\u003ctd\u003eCold water only; microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Flush about 15 minutes before first use.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806677008472,"sku":"CQE-RC-04060","price":67.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806677041240,"sku":"CQE-RC-04060-2PK","price":134.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806677074008,"sku":"CQE-RC-04060-4PK","price":268.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/fluoride-removal-inline-reverse-osmosis-filter-cartridge-crystal-quest-water-filter-cartridges-1263598074.webp?v=1792488219"},{"product_id":"standard-smart-water-pitcher-cartridge-1","title":"Standard\/SMART Water Pitcher Cartridge","description":"\u003cdiv class=\"cq-smart-testing-badge\" style=\"margin:0 0 20px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/Smart_Water_Pitcher_CQE-RC-04047_2020_2295-20552_Chlorine_Pass.pdf?v=1618941785\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:14px;max-width:100%;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/iamop_tested_240x240.jpg?v=1601565142\" alt=\"IAPMO R\u0026amp;T Lab Tested badge\" width=\"120\" loading=\"lazy\" style=\"width:120px;max-width:35%;height:auto;margin:0;flex-shrink:0;\"\u003e\u003cspan\u003eView the chlorine reduction test report for this cartridge (IAPMO R\u0026amp;T Lab report 2295-20552)\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eWater that smells faintly of chlorine. Ice that tastes like the tap. A fridge pitcher that only gets you halfway to water you actually want to drink.\u003c\/strong\u003e The cartridge is what does the work, and this one does five jobs, not one.\u003c\/p\u003e\u003cp\u003eThe Standard\/SMART Water Pitcher Cartridge is the everyday water pitcher filter replacement for the Crystal Quest Water Pitcher Filter System. Five stages of SMART media target chlorine, VOCs, THMs and heavy metals, along with bad taste and odor, and each cartridge lasts about 2,000 gallons, typically 6 to 12 months. That is far longer than the basic carbon pitcher filters most people are used to changing.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive stages in one cartridge:\u003c\/strong\u003e ERA 6500 and ERA 9500 redox media, ion exchange resin, coconut shell GAC and catalytic carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependently lab tested for chlorine:\u003c\/strong\u003e 97.3 percent average reduction across a 40-gallon NSF\/ANSI 42 test (report linked above)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 2,000 gallons per cartridge,\u003c\/strong\u003e typically 6 to 12 months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple prep:\u003c\/strong\u003e soak, rinse, press in, pour off the first two pitchers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacks of 2, 4 and 6\u003c\/strong\u003e so the next change is already in the cupboard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA slim cartridge with mesh inlet screens on top. It presses into the bottom of your pitcher's reservoir, where it forms a seal so every drop poured into the reservoir has to pass through the media to reach the pitcher below. Cartridge color can change between production runs; the part number, CQE-RC-04047, stays the same.\u003c\/p\u003e\u003ch3\u003eHow the five stages work\u003c\/h3\u003e\u003cp\u003eA pitcher filters by gravity. Water trickles through the cartridge instead of being pushed by line pressure, so it spends more time in contact with the media than it would in a faucet or shower filter. That slow pass is what lets a pitcher cartridge carry five different media and give each one time to do its job.\u003c\/p\u003e\u003ch4\u003eRedox media: ERA 6500 and ERA 9500 (two stages)\u003c\/h4\u003e\u003cp\u003eERA (Eagle Redox Alloy) is Crystal Quest's own high-purity copper-zinc granular media. It works by redox, an exchange of electrons between the metals and dissolved contaminants. ERA 6500 is the chlorine specialist. ERA 9500 targets iron and hydrogen sulfide. Together they also go after dissolved heavy metals.\u003c\/p\u003e\u003ch4\u003eIon exchange resin\u003c\/h4\u003e\u003cp\u003eResin beads carry exchange sites that trade harmless ions for dissolved metal ions as water passes. The resin in the SMART blend is chosen for its selectivity toward heavy metals.\u003c\/p\u003e\u003ch4\u003eCoconut shell granular activated carbon\u003c\/h4\u003e\u003cp\u003eActivated carbon is full of microscopic pores with an enormous internal surface. Organic chemicals such as VOCs and THMs, and the compounds behind chlorine taste and odor, are attracted to that surface and held there. This is adsorption, and it is the reason filtered water tastes clean.\u003c\/p\u003e\u003ch4\u003eCatalytic carbon\u003c\/h4\u003e\u003cp\u003eCatalytic carbon is activated carbon processed to be more chemically active, so it treats chlorine-family disinfectants by reaction on its surface as well as by adsorption. It is the finishing stage that keeps taste and odor in check.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChlorine taste and odor (independently lab tested)\u003c\/li\u003e\n\u003cli\u003eVolatile organic compounds (VOCs)\u003c\/li\u003e\n\u003cli\u003eTrihalomethanes (THMs)\u003c\/li\u003e\n\u003cli\u003eHeavy metals\u003c\/li\u003e\n\u003cli\u003eBad taste and odor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e fluoride, arsenic, nitrate or total dissolved solids, and it is not for water that is microbiologically unsafe or of unknown quality. For fluoride or arsenic, swap in the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-pitcher-fluoride-removal-filter-cartridge\"\u003eSMART\/Fluoride Removal\u003c\/a\u003e or \u003ca href=\"https:\/\/crystalquest.com\/products\/pitcher-multistage-arsenic-cartridge\"\u003eSMART\/Arsenic Removal\u003c\/a\u003e cartridge, which fit the same pitcher.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive stages in one cartridge.\u003c\/strong\u003e Two Crystal Quest redox alloys, ion exchange resin and two types of carbon, each doing a different job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested, with the report shown.\u003c\/strong\u003e The NSF\/ANSI 42 chlorine report for this exact cartridge is linked at the top of this page.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong life.\u003c\/strong\u003e About 2,000 gallons per cartridge means fewer changes and less plastic in the trash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA.\u003c\/strong\u003e Over 1,000,000 people served since 1994, under ISO 9001 quality management.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cp\u003eThis is the standard replacement cartridge for the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-filter-pitcher\"\u003eCrystal Quest Water Pitcher Filter System\u003c\/a\u003e in every pitcher color, and the one the pitcher manual names. The same pitcher also accepts four specialty cartridges, so you can change what your pitcher does without changing pitchers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/crystalquest.com\/products\/water-pitcher-fluoride-removal-filter-cartridge\"\u003eSMART\/Fluoride Removal\u003c\/a\u003e for fluoride\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/crystalquest.com\/products\/pitcher-multistage-arsenic-cartridge\"\u003eSMART\/Arsenic Removal\u003c\/a\u003e for arsenic\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/crystalquest.com\/products\/alkalizing-water-pitcher-cartridge\"\u003eAlkalizing\u003c\/a\u003e to enhance alkalinity\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/crystalquest.com\/products\/water-pitcher-demineralizer-filter-cartridge\"\u003eDemineralizer (DI)\u003c\/a\u003e for low-TDS water for non-drinking uses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long does the pitcher cartridge last?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eApproximately 2,000 gallons, typically 6 to 12 months. Replace it sooner if taste, odor or flow changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow do I prepare a new cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eSoak it upright in cold water for 20 minutes, rinse it under cold running water for 10 to 15 seconds, press it firmly into the reservoir, then fill and discard the first two full pitchers. The soak and discard steps are for first use only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy do I see dark specks in the filtered water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFine media particles can escape a new cartridge, especially after shipping. The manual says dust in the filtered water means the cartridge was not flushed enough, so rinse it and discard the first two pitchers. The pitcher page notes this residue does not affect performance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if water filters slowly or not at all?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCheck that the cartridge is pressed firmly into the reservoir. The manual recommends cleaning the cartridge to avoid clogging, more often in some areas; if flow does not recover, replace the cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes this pitcher filter remove fluoride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The Standard\/SMART cartridge targets chlorine, VOCs, THMs, heavy metals and taste and odor. For fluoride, use the SMART\/Fluoride Removal Water Pitcher Cartridge in the same pitcher.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use the pitcher on well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOnly if the water is microbiologically safe. The cartridge is not designed to treat bacteria or viruses, so test a private well first and do not use the pitcher on water of unknown quality.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow many stages does the pitcher cartridge have?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFive: ERA 6500 and ERA 9500 redox media, ion exchange resin, coconut shell granular activated carbon and catalytic carbon.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart numbers\u003c\/td\u003e\n\u003ctd\u003eCQE-RC-04047 (single); CQE-RC-04906, CQE-RC-04907, CQE-RC-04908 (packs of 2, 4 and 6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003e5 stages of SMART multi-media: ERA 6500 and ERA 9500 redox media, ion exchange resin, coconut shell GAC, catalytic carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduces\u003c\/td\u003e\n\u003ctd\u003eChlorine taste and odor, VOCs, THMs, heavy metals, bad taste and odor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorine test\u003c\/td\u003e\n\u003ctd\u003eIAPMO R\u0026amp;T Lab report 2295-20552 (2020), NSF\/ANSI 42 chlorine reduction, 97.3 percent average over a 40-gallon test capacity; a test report, not a certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eFluoride, arsenic, nitrate, TDS, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirst use\u003c\/td\u003e\n\u003ctd\u003eSoak 20 minutes in cold water, rinse 10 to 15 seconds, discard the first two full pitchers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,000 gallons (6 to 12 months)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater temperature\u003c\/td\u003e\n\u003ctd\u003eCold water only, 40 to 85°F (4.4 to 29°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction materials\u003c\/td\u003e\n\u003ctd\u003ePolypropylene end caps, polyolefin inner and outer wraps, polyethylene netting, Buna-N gaskets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e*Capacity is an estimate only and depends on influent water contaminants and filter usage. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003eCartridge color is subject to change without notice.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is and is not included\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003ctd\u003ePitcher, lid and reservoir (they come with the Water Pitcher Filter System)\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806699323480,"sku":"CQE-RC-04047","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806699356248,"sku":"CQE-RC-04906","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806699389016,"sku":"CQE-RC-04907","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Pack of 6","offer_id":67806699421784,"sku":"CQE-RC-04908","price":101.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/single-standard-smart-water-pitcher-cartridge-crystal-quest-water-filter-cartridges-1263260533_4ae528fc-0199-483d-a0ba-84d38ce45500.webp?v=1792488347"},{"product_id":"smart-inline-filter-cartridge-reverse-osmosis","title":"SMART Inline Filter Cartridge \/ Reverse Osmosis","description":"\u003cp\u003e\u003cstrong\u003eWhen water from your cooler or RO faucet starts to taste like the tap again, the stage that polishes it has usually run its course.\u003c\/strong\u003e This SMART inline cartridge is that stage: the replacement SMART cartridge, part CQE-RC-04040, for Crystal Quest floor-model bottleless water coolers and for Thunder M under-sink reverse osmosis systems.\u003c\/p\u003e\u003cp\u003eInside one sealed inline housing sits Crystal Quest SMART media, a blend of coconut-based carbon, catalytic carbon, Eagle Redox Alloy and ion exchange resin. Each medium handles a different job, so one cartridge covers the chlorine, chloramine and chemical taste problems a single carbon stage can leave behind.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeveral media in one cartridge:\u003c\/strong\u003e premium coconut GAC, catalytic carbon, ERA 6500 and ERA 9500 redox alloy, ion exchange resin and ceramic media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets chlorine, chloramine and VOCs,\u003c\/strong\u003e the usual sources of chemical taste and odor in city water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlumbed on the water line:\u003c\/strong\u003e a sealed inline cartridge with threaded connections at each end, not a slot-in appliance cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe listed part\u003c\/strong\u003e in Crystal Quest's water cooler manual and Thunder under-sink RO manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA,\u003c\/strong\u003e as printed on every cartridge label\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed inline housing with an elbow connector at each end and a flow arrow on the label. The label reads \"Crystal Quest SMART PLUS Inline Cartridge\" and carries the part number, the operating limits and nine numbered replacement steps. There is no sump to open: when the media is spent, the whole cartridge is replaced, which keeps the swap quick and clean.\u003c\/p\u003e\u003ch3\u003eHow SMART media works\u003c\/h3\u003e\u003ch4\u003eCarbon that adsorbs\u003c\/h4\u003e\u003cp\u003eCoconut-based granular activated carbon is riddled with fine pores. Dissolved organic chemicals, the compounds behind most \"chemical\" tastes and odors, stick to that enormous internal surface as water passes through. Coconut-based catalytic carbon adds a surface built to react, not just hold, which is what breaks down chloramine, the longer-lasting disinfectant many cities now use instead of chlorine.\u003c\/p\u003e\u003ch4\u003eRedox alloy that converts\u003c\/h4\u003e\u003cp\u003eEagle Redox Alloy (ERA) is Crystal Quest's high-purity copper-zinc granule. Copper and zinc are dissimilar metals, so water flowing over them drives an exchange of electrons. Free chlorine takes those electrons and is reduced to harmless chloride. Because the alloy converts chlorine rather than only holding it, it protects the carbon in the same cartridge from doing all the work. ERA 6500 is the chlorine grade; ERA 9500 is the grade made for iron and hydrogen sulfide.\u003c\/p\u003e\u003ch4\u003eResin and ceramic media\u003c\/h4\u003e\u003cp\u003eIon exchange resin beads carry charged sites that trade places with dissolved metal ions, which is how SMART media adds heavy metal reduction to carbon's chemical reduction. Ceramic media rounds out the blend and helps condition the water.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e chlorine, chloramine and volatile organic compounds (VOCs), the main causes of chemical taste and odor in treated city water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso addressed by SMART media\u003c\/strong\u003e (capabilities of the media blend described in Crystal Quest's SMART data sheet, not separate tested ratings for this inline size):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy metals, through the ion exchange resin and redox alloy\u003c\/li\u003e\n\u003cli\u003ePesticides, herbicides and petroleum-based compounds, through the carbon\u003c\/li\u003e\n\u003cli\u003ePharmaceutical by-products and other dissolved organic contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e total dissolved solids and salts (that is the RO membrane's job), fluoride, nitrate or arsenic as a dedicated stage, or bacteria and viruses. Use it only on water that is microbiologically safe. For a dedicated contaminant stage, add the matching inline cartridge, such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-reverse-osmosis-fluoride-filter-cartridge\"\u003eFluoride Removal Inline Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur own media blend.\u003c\/strong\u003e SMART media and Eagle Redox Alloy are Crystal Quest products with their own data sheets, so you know what is inside the housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for the system you own.\u003c\/strong\u003e This is the part number our cooler and RO manuals list, so it matches the connections and position your system was built around.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinted guidance on every cartridge.\u003c\/strong\u003e Flow direction, operating limits and step-by-step replacement instructions are on the label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSHARP floor-model bottleless coolers:\u003c\/strong\u003e the SMART cartridge in both the \u003ca href=\"https:\/\/crystalquest.com\/products\/sharp-ultrafiltration-bottleless-water-cooler\"\u003eSHARP Ultrafiltration\u003c\/a\u003e and the \u003ca href=\"https:\/\/crystalquest.com\/products\/sharp-reverse-osmosis-and-ultrafiltration-bottleless-water-cooler\"\u003eSHARP Ultrafiltration + Reverse Osmosis\u003c\/a\u003e coolers. In the UF cooler it is cartridge #4, after the sediment (CQE-RC-04037), GAC (CQE-RC-04038) and UF (CQE-RC-04039) cartridges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder M under-sink RO systems:\u003c\/strong\u003e the inline SMART post-filter after the RO membrane. Thunder C models use the inline carbon cartridge instead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003eCountertop Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e its SMART stage, alongside the GAC cartridge and the RO membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther point-of-use uses:\u003c\/strong\u003e its published applications are pre and post point-of-use RO, ice maker and refrigerator lines, and water coolers and fountains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOwn a \u003ca href=\"https:\/\/crystalquest.com\/products\/bottleless-water-cooler-countertop\"\u003eCountertop Turbo cooler\u003c\/a\u003e? It takes a different cartridge, the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-turbo-multi-stage-filter-cartridge\"\u003eSMART Inline (Turbo) Filter Cartridge\u003c\/a\u003e (CQE-RC-04057). Order the part number your system lists.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich systems use this cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCrystal Quest's SHARP floor-model bottleless coolers, Thunder M under-sink RO systems and the Countertop Reverse Osmosis System list CQE-RC-04040 as their SMART cartridge. Match the part number in your manual or on your current cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this the same as the SMART Inline (Turbo) cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The Turbo cartridge, CQE-RC-04057, is made only for the Countertop Turbo water cooler. This cartridge serves the floor-model coolers and the RO systems.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it go before or after the RO membrane?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIts published applications include both. In Thunder M systems it is the post-filter after the membrane. Install it in the position your system's manual shows.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill it remove fluoride or dissolved solids?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. SMART media targets chlorine, chloramine, VOCs and other chemical contaminants. Dissolved solids are removed by the RO membrane, and fluoride needs a dedicated fluoride stage such as the Fluoride Removal Inline Cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use it on a refrigerator or ice maker line?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, as an inline filter plumbed on the supply line. It is not a slot-in replacement for a refrigerator's own built-in filter cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFollow your cooler or RO manual, and replace it sooner if taste or odor returns or flow slows. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDo I need to flush a new cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The label calls for flushing about 15 minutes before use. Some fine carbon dust in the first water is normal and clears with flushing.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre and post point-of-use reverse osmosis\u003c\/li\u003e\n\u003cli\u003eIce maker and refrigerator\u003c\/li\u003e\n\u003cli\u003eWater cooler\/fountain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04040\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eSMART inline cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSMART media (Crystal Quest data sheets)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia blend\u003c\/td\u003e\n\u003ctd\u003eCoconut-based premium GAC, coconut-based catalytic carbon, ERA 6500, ERA 9500, ion exchange resin, ceramic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEagle Redox Alloy (ERA)\u003c\/td\u003e\n\u003ctd\u003eHigh-purity copper-zinc granules; reduce contaminants by oxidation-reduction (redox)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERA pH range\u003c\/td\u003e\n\u003ctd\u003e6.5 to 8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eAdsorption (carbon), catalytic reduction (catalytic carbon), redox (ERA), ion exchange (resin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eSealed inline cartridge, threaded elbow connector at each end, flow arrow on label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLabel name\u003c\/td\u003e\n\u003ctd\u003eCrystal Quest SMART PLUS Inline Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications (cartridge label)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Water supply\u003c\/td\u003e\n\u003ctd\u003eCold water only; microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Flush about 15 minutes before first use.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806707548248,"sku":"CQE-RC-04040","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806707581016,"sku":"CQE-RC-04040-2PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806707613784,"sku":"CQE-RC-04040-4PK","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/smart-inline-filter-cartridge-reverse-osmosis-crystal-quest-water-filter-cartridges-1263598088.webp?v=1792488411"},{"product_id":"gac-inline-filter-ro-cartridge","title":"GAC Inline Filter RO Cartridge","description":"\u003cp\u003e\u003cstrong\u003eReverse osmosis water should taste clean and crisp. If yours has picked up a stale, plastic or chlorine note, or your bottleless cooler's water is not as fresh as it was, the carbon stage is usually spent.\u003c\/strong\u003e This is the cartridge that restores it.\u003c\/p\u003e\u003cp\u003eThis inline granular activated carbon (GAC) cartridge, part CQE-RC-04038, is the replacement carbon stage for Crystal Quest water coolers and point-of-use reverse osmosis systems. Its published applications cover pre and post point-of-use RO, ice maker and refrigerator lines, and water coolers and fountains. Before an RO membrane it strips chlorine that would damage the membrane; after the storage tank it polishes the taste of every glass.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe carbon stage for Crystal Quest coolers and RO:\u003c\/strong\u003e listed in our water cooler manual and the Thunder under-sink RO replacement list\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects the RO membrane:\u003c\/strong\u003e as a pre-filter it reduces chlorine before it reaches the thin-film membrane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishes the finished water:\u003c\/strong\u003e as a post-filter it removes tastes and odors water can pick up in the storage tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoconut shell GAC:\u003c\/strong\u003e reduces chlorine taste and odor, VOCs and pesticides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple to change:\u003c\/strong\u003e connector fittings at each end, no housing to open\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eOne sealed inline carbon cartridge filled with granular activated carbon, closed with end caps and gaskets, with a connection at each end. In a cooler it sits inside the cartridge compartment with the other numbered cartridges; in an under-sink RO system it mounts in line on the tubing. When the carbon is spent, the whole cartridge is replaced.\u003c\/p\u003e\u003ch3\u003eHow it works in RO systems and coolers\u003c\/h3\u003e\u003ch4\u003eBefore the membrane: chlorine protection\u003c\/h4\u003e\u003cp\u003eThin-film composite RO membranes do the heavy lifting on dissolved solids, but chlorine attacks the membrane material over time. Activated carbon reacts with free chlorine and converts it to chloride, so a carbon stage ahead of the membrane takes chlorine out before it can shorten the membrane's life. This is the role CQE-RC-04038 plays as cartridge #1 in Crystal Quest floor-model reverse osmosis coolers.\u003c\/p\u003e\u003ch4\u003eAfter the tank: the final polish\u003c\/h4\u003e\u003cp\u003eRO water is stored in a tank until you open the faucet, and water that sits can pick up faint tastes and odors along the way. A carbon post-filter between the tank and the faucet adsorbs them, so the last thing your water touches is fresh carbon. On Thunder under-sink RO systems, the C models use this inline carbon post-filter; the M models use an inline SMART cartridge in that position instead.\u003c\/p\u003e\u003ch4\u003eIn a bottleless water cooler\u003c\/h4\u003e\u003cp\u003eCrystal Quest floor-model coolers with ultrafiltration use this cartridge as stage #2, right after the sediment cartridge and ahead of the UF membrane and SMART stage. It takes out chlorine taste and odor and organic chemicals before the finer stages.\u003c\/p\u003e\u003ch4\u003eCoconut shell carbon, in brief\u003c\/h4\u003e\u003cp\u003eGranular coconut shell carbon is full of microscopic pores that give it a vast internal surface. Chlorine reacts on that surface, and organic chemicals such as VOCs and pesticides are held there by adsorption. Granules keep flow easy on low-pressure lines like an RO faucet or cooler supply.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChlorine, and the taste and odor it causes\u003c\/li\u003e\n\u003cli\u003eVolatile organic compounds (VOCs)\u003c\/li\u003e\n\u003cli\u003ePesticides\u003c\/li\u003e\n\u003cli\u003eTastes and odors picked up in an RO storage tank (post-filter position)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e total dissolved solids, hardness, fluoride, nitrate, arsenic or dissolved metals. In an RO system those are the membrane's job, and in a cooler they are handled by the RO, UF and SMART stages that the model includes. Carbon also does not disinfect water.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified by part number.\u003c\/strong\u003e The Crystal Quest water cooler manual lists CQE-RC-04038 as the granulated activated carbon cartridge in its floor-model coolers, and the Thunder under-sink RO manual lists it among its replacement cartridges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched to the system.\u003c\/strong\u003e The cooler manual directs owners to use Crystal Quest replacement cartridges, because the stages are designed to work together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management and has made water filtration in the USA for over 30 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime support.\u003c\/strong\u003e Call, email or chat with our water filtration team whenever you have a question about your cooler or RO system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich systems use it\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor-model coolers with ultrafiltration:\u003c\/strong\u003e cartridge #2, after sediment, in the \u003ca href=\"https:\/\/crystalquest.com\/products\/turbo-ultrafiltration-bottleless-water-cooler\"\u003eTURBO\u003c\/a\u003e, \u003ca href=\"https:\/\/crystalquest.com\/products\/sharp-ultrafiltration-bottleless-water-cooler\"\u003eSHARP\u003c\/a\u003e and \u003ca href=\"https:\/\/crystalquest.com\/products\/hybrid-ultrafiltration-bottleless-water-cooler\"\u003eHybrid\u003c\/a\u003e Ultrafiltration coolers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor-model reverse osmosis coolers:\u003c\/strong\u003e cartridge #1, ahead of the RO membrane, in the \u003ca href=\"https:\/\/crystalquest.com\/products\/turbo-reverse-osmosis-and-ultrafiltration-bottleless-water-cooler\"\u003eTURBO\u003c\/a\u003e, \u003ca href=\"https:\/\/crystalquest.com\/products\/sharp-reverse-osmosis-and-ultrafiltration-bottleless-water-cooler\"\u003eSHARP\u003c\/a\u003e and \u003ca href=\"https:\/\/crystalquest.com\/products\/hybrid-reverse-osmosis-and-ultrafiltration-bottleless-water-cooler\"\u003eHybrid\u003c\/a\u003e Reverse Osmosis and Ultrafiltration coolers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO, C models:\u003c\/strong\u003e the inline carbon post-filter, for example on the \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-under-sink-water-filter-1000c\"\u003eThunder 1000C\u003c\/a\u003e. M models use the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-reverse-osmosis-multi-stage-filter-cartridge\"\u003eSMART Inline Filter Cartridge\u003c\/a\u003e in that position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Quest \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003ecountertop reverse osmosis\u003c\/a\u003e system:\u003c\/strong\u003e its GAC cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck the part number on your current cartridge or in your order history, and confirm the connections match. Need a choice of JACO or Quick Connect fittings for a refrigerator or ice maker line? See the \u003ca href=\"https:\/\/crystalquest.com\/products\/inline-granulated-activated-coconut-shell-carbon-gac-filter-cartridge\"\u003eInline GAC Filter Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich systems use this cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCrystal Quest floor-model water coolers (cartridge #2 in ultrafiltration models, cartridge #1 in reverse osmosis models), Thunder C under-sink RO models as the inline carbon post-filter, and the Crystal Quest countertop RO system.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould the carbon filter go before or after the RO membrane?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBoth positions are published applications. Before the membrane it protects it from chlorine; after the tank it polishes taste. Install it in the position your system's manual specifies.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eMy RO water tastes stale. Will a new post-filter help?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eUsually, yes. A spent carbon post-filter is the most common reason RO water picks up a stale or plastic taste from the tank. If the water tastes flat rather than stale, that is the low mineral content of RO water; an optional \u003ca href=\"https:\/\/crystalquest.com\/products\/natural-alkalinize-ionizer-mineralizer-and-oxidation-cartridge\"\u003einline alkalizer and mineralizer cartridge\u003c\/a\u003e adds minerals back.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eThunder C or Thunder M: which post-filter do I need?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThunder C models use this inline carbon post-filter. Thunder M models use the SMART Inline Filter Cartridge instead. Check the letter in your model name.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs it the same as the Inline GAC cartridge with fitting options?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThat listing offers the same part number with a choice of JACO or Quick Connect fittings. Match the connections on your existing cartridge before ordering.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace the cooler or RO carbon filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIn floor-model coolers, as required or every 18 to 24 months, per the cooler manual. In under-sink and countertop RO systems, typically 12 to 24 months, about 18 months for most homes. Replace sooner if taste or odor returns.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it lower TDS?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Carbon does not remove dissolved solids. In an RO system the membrane lowers TDS; this cartridge protects the membrane and improves taste.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre and post point-of-use reverse osmosis\u003c\/li\u003e\n\u003cli\u003eIce maker and refrigerator\u003c\/li\u003e\n\u003cli\u003eWater cooler\/fountain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04038\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eInline granular activated carbon (GAC) cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eService life by system\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloor-model cooler with ultrafiltration\u003c\/td\u003e\n\u003ctd\u003eCartridge #2, after sediment\u003c\/td\u003e\n\u003ctd\u003eAs required or every 18 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloor-model reverse osmosis cooler\u003c\/td\u003e\n\u003ctd\u003eCartridge #1, before the RO membrane\u003c\/td\u003e\n\u003ctd\u003eAs required or every 18 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunder C under-sink RO\u003c\/td\u003e\n\u003ctd\u003eInline carbon post-filter\u003c\/td\u003e\n\u003ctd\u003eTypically 12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountertop RO\u003c\/td\u003e\n\u003ctd\u003eGAC cartridge\u003c\/td\u003e\n\u003ctd\u003eTypically 12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and operating conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/copy-of-premium-coconut-shell-gac\"\u003ePremium Coconut Shell GAC\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduces\u003c\/td\u003e\n\u003ctd\u003eChlorine taste and odor, VOCs, pesticides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating pressure\u003c\/td\u003e\n\u003ctd\u003e20 to 60 psi (1.4 to 4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e40 to 90°F (4 to 32°C), cold water only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eTDS, hardness, fluoride, nitrate, arsenic, dissolved metals, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eLeak detector or flood-prevention valve recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolypropylene End Caps\u003c\/li\u003e\n\u003cli\u003ePolyolefin Inner\/Outer Wraps\u003c\/li\u003e\n\u003cli\u003eBuna-N Gaskets End Caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Replace sooner if taste, odor or flow changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806708400216,"sku":"CQE-RC-04038","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806708432984,"sku":"CQE-RC-04038-2PK","price":98.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806708465752,"sku":"CQE-RC-04038-4PK","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/gac-inline-filter-ro-cartridge-crystal-quest-water-filter-cartridges-1263598095.webp?v=1792488415"},{"product_id":"nitrate-removal-inline-filter-ro-cartridge","title":"Nitrate Removal Inline Filter RO Cartridge","description":"\u003cp\u003e\u003cstrong\u003eNitrate has no taste, color or smell, and it reaches wells quietly: from fertilizer, septic systems and animal waste soaking down into groundwater.\u003c\/strong\u003e Shallow wells in farm country are the most likely to carry it, and a water test is the only way to know your level.\u003c\/p\u003e\u003cp\u003eIf your test shows nitrate, this inline cartridge, part CQE-RC-04061, adds a dedicated nitrate-reduction stage where you drink: before or after a point-of-use RO membrane, on an ice maker or refrigerator line, or inside a water cooler or fountain. It is filled with nitrate-selective resin, and unlike a throwaway filter, its media can be restored with salt.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/nitrate_shallow_gw_480x480.png?v=1603757995\" alt=\"USGS map of predicted nitrate in shallow US groundwater, mostly low with hot spots over 10 mg\/L\"\u003e\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dedicated nitrate stage\u003c\/strong\u003e for point-of-use systems, separate from your carbon and sediment stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrate-selective resin\u003c\/strong\u003e that trades harmless chloride for nitrate as water flows through\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestorable with salt:\u003c\/strong\u003e periodic salt regeneration puts the media back to work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits where you need it:\u003c\/strong\u003e pre or post RO, refrigerator and ice maker lines, water coolers and fountains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA,\u003c\/strong\u003e as printed on the cartridge label\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed inline cartridge with an elbow connector at each end. The label reads \"Crystal Quest Nitrate Reduction Inline Cartridge\" and shows the flow arrow, part number, operating limits and nine numbered replacement steps. The resin beads are sealed inside; you service the cartridge as one piece.\u003c\/p\u003e\u003ch3\u003eHow nitrate-selective resin works\u003c\/h3\u003e\u003ch4\u003eIon exchange: a one-for-one trade\u003c\/h4\u003e\u003cp\u003eThe resin is a bed of tiny plastic beads covered in positively charged sites. Out of the box, each site holds a chloride ion. Nitrate is also a negatively charged ion, so as water flows past, nitrate is pulled onto the sites and chloride is released in its place. The nitrate stays on the resin; the water leaves with a little chloride, the same ion found in table salt.\u003c\/p\u003e\u003ch4\u003eWhy \"selective\" matters\u003c\/h4\u003e\u003cp\u003eOrdinary anion resin prefers sulfate over nitrate. In water with sulfate, an ordinary resin can let captured nitrate go again as it fills up, so the treated water can briefly carry more nitrate than the water going in. Nitrate-selective resin is built to favor nitrate, so it holds on to what it has captured and gives you a steadier result.\u003c\/p\u003e\u003ch4\u003eRegeneration: resetting the resin with salt\u003c\/h4\u003e\u003cp\u003eEvery site that holds a nitrate ion is a site that cannot take another. When most sites are full, the resin is exhausted. Soaking it in a strong salt solution floods the beads with chloride, which pushes the nitrate off and reloads the sites, ready to work again. That is the periodic salt regeneration this cartridge is designed for. If it is skipped, the media stops reducing nitrate.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target (printed on the cartridge label):\u003c\/strong\u003e nitrate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e chlorine and chemical tastes, VOCs, metals, fluoride, arsenic, or bacteria and viruses. Those are handled by other stages, such as a \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-reverse-osmosis-multi-stage-filter-cartridge\"\u003eSMART inline cartridge\u003c\/a\u003e and the RO membrane. Use it only on water that is microbiologically safe. Many wells with nitrate also need a bacteria test.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it right for my water?\u003c\/strong\u003e Start with a lab test for nitrate, and keep the result: your nitrate level decides how often the resin needs regenerating. Nitrate matters most in homes where infants drink the water or where formula is mixed. If your nitrate is high, or you want treatment for the whole house, talk to a Crystal Quest specialist before choosing a point-of-use stage.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelective resin, not a general-purpose filter.\u003c\/strong\u003e Nitrate gets its own stage with media built to favor it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestorable media.\u003c\/strong\u003e Salt regeneration resets the resin, so one cartridge keeps working through repeated cycles instead of being thrown away at first exhaustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for our systems.\u003c\/strong\u003e Crystal Quest lists this cartridge as the optional nitrate stage for its under-sink RO, countertop RO and water cooler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO systems:\u003c\/strong\u003e listed as the optional nitrate cartridge, CQE-RC-04061, on Thunder system pages such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-under-sink-water-filter-1000c\"\u003eThunder 1000C\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003eCountertop Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e listed as its optional nitrate stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottleless water coolers:\u003c\/strong\u003e listed as an optional cartridge in the water cooler manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerator and ice maker lines:\u003c\/strong\u003e plumbed inline on the supply tubing. It is not a slot-in replacement for a refrigerator's built-in filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOptional inline specialty cartridges do not have one fixed position in every system. Its published applications include pre and post point-of-use RO; install it where your system's manual specifies. Need nitrate treatment in a standard drop-in housing? See the \u003ca href=\"https:\/\/crystalquest.com\/products\/nitrate-filter-cartridge\"\u003eNitrate Removal Filter Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes this cartridge need maintenance?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. When the media is used up, replace the cartridge or regenerate it with a salt (brine) solution by running it through the line; the nitrate level in your water sets how often. Contact Crystal Quest for the procedure before the first service.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow does a nitrate filter cartridge remove nitrate?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThrough ion exchange. Nitrate-selective resin swaps chloride for nitrate as water flows through, and holds the nitrate until salt regeneration washes it off.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it add salt to my water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt releases a small amount of chloride in exchange for the nitrate it captures. It does not soften water or add sodium the way a water softener does.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere does it go in my system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOptional inline specialty cartridges do not have one fixed position in every system. Its published applications include pre and post point-of-use RO; install it where your system's manual specifies.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it different from the drop-in Nitrate Removal Filter Cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThat cartridge fits standard drop-in housings in four sizes. This one is an inline cartridge for coolers, appliance lines and point-of-use RO systems.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould I test my water first?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Confirm nitrate with a water test; the nitrate level also sets how often the media needs regenerating. Retest the treated water to know when it is due.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre and post point-of-use reverse osmosis\u003c\/li\u003e\n\u003cli\u003eIce maker and refrigerator\u003c\/li\u003e\n\u003cli\u003eWater cooler\/fountain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04061\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eInline nitrate reduction cartridge; media requires periodic salt regeneration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and function\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/eaglesorb-nitrate-resin\"\u003eEaglesorb Nitrate Removal\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget\u003c\/td\u003e\n\u003ctd\u003eNitrate (label: removes\/reduces nitrate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eAnion exchange: chloride released, nitrate held\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegeneration\u003c\/td\u003e\n\u003ctd\u003eReplace the cartridge, or regenerate it with a salt (brine) solution by running it through the line; frequency set by nitrate level; not needed before first use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eSealed inline cartridge, threaded elbow connector at each end, flow arrow on label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications (cartridge label)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Water supply\u003c\/td\u003e\n\u003ctd\u003eCold water only; microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Flush about 15 minutes before first use.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806708301912,"sku":"CQE-RC-04061","price":59.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806708334680,"sku":"CQE-RC-04061-2PK","price":118.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806708367448,"sku":"CQE-RC-04061-4PK","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/nitrate-removal-inline-filter-ro-cartridge-crystal-quest-water-filter-cartridges-1263598068.webp?v=1792488416"},{"product_id":"pleated-cellulose-sediment-cartridge-1","title":"Pleated Cellulose Sediment Cartridge","description":"\u003cp\u003e\u003cstrong\u003eGrit in the aerator. Sand in the toilet tank. A carbon or SMART cartridge that clogs long before its time.\u003c\/strong\u003e Dirt, rust and silt do more than cloud your water: they bury the expensive stages downstream. A sediment filter's job is to catch them first.\u003c\/p\u003e\u003cp\u003eThis 5-micron pleated sediment cartridge does that job with a large surface of pleated cellulose media wrapped around a polypropylene core. It is the first stage in Crystal Quest triple cartridge systems and the sediment pre-filter on whole house and whole house reverse osmosis systems, protecting the SMART, carbon and membrane stages that follow. Four sizes fit countertop, under-sink, whole house and Big Blue housings.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-micron rating:\u003c\/strong\u003e catches sand, silt, rust and other suspended particles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated for capacity:\u003c\/strong\u003e folding the media multiplies its surface area, so it holds more dirt before flow drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects what comes next:\u003c\/strong\u003e keeps sediment off SMART, carbon block and RO membrane stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong build:\u003c\/strong\u003e polypropylene core, vinyl plastisol end caps sealed to the media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes\u003c\/strong\u003e with a typical life of 12 to 24 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eThe cartridge is built around deep, evenly spaced pleats. The pleated cellulose media wraps a rigid polypropylene core, polyethylene netting holds the pleats in place, and both ends are sealed in vinyl plastisol so water cannot bypass the media. As the cartridge works, the pleats darken with what they catch, a visible record of what stayed out of your system.\u003c\/p\u003e\u003ch3\u003eHow a pleated sediment filter works\u003c\/h3\u003e\u003ch4\u003eMechanical filtration by size\u003c\/h4\u003e\u003cp\u003eSediment filtration is straining. Water passes through the cellulose media and particles larger than its 5-micron rating are trapped. Nothing is added to the water and nothing chemical happens; the cartridge simply holds back what is too big to pass.\u003c\/p\u003e\u003ch4\u003eWhy pleats beat a plain wrap\u003c\/h4\u003e\u003cp\u003eFolding the media into pleats packs far more filter surface into the same cartridge. More surface means water moves through the media more slowly at any given point, which keeps the pressure drop low and spreads the dirt over a larger area. The result is strong flow and a long run before the cartridge loads up.\u003c\/p\u003e\u003ch4\u003eSurface loading you can see\u003c\/h4\u003e\u003cp\u003ePleated media catches most dirt on its outer face, where you can see it. That makes it easy to judge how hard your water is working the filter and to adjust your change schedule if your sediment load is heavy.\u003c\/p\u003e\u003ch4\u003eWhy a pre-filter pays for itself\u003c\/h4\u003e\u003cp\u003eCarbon, SMART media and RO membranes are built to treat chemistry, not to strain mud. Every particle the sediment stage stops is one that cannot clog their pores or coat their surface, so a fresh sediment cartridge helps every downstream stage reach its full life.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSediment: sand, silt, dirt and rust particles\u003c\/li\u003e\n\u003cli\u003eOther suspended particles down to 5 microns\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e anything dissolved. Chlorine, VOCs, dissolved metals such as iron and lead, nitrate, pesticides, fluoride and hardness pass through, as do bacteria and viruses. For those, the stages that follow it do the work: the \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge\"\u003eSMART Filter Cartridge\u003c\/a\u003e, the \u003ca href=\"https:\/\/crystalquest.com\/products\/coconut-based-carbon-block-filter-cartridge\"\u003eCoconut Based 5-Micron Carbon Block Filter Cartridge\u003c\/a\u003e, specialty cartridges and reverse osmosis.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe sediment stage our own systems specify.\u003c\/strong\u003e Crystal Quest's system manuals list this pleated cartridge as their standard sediment stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to stay sealed.\u003c\/strong\u003e Vinyl plastisol end caps bond to the media so water cannot sneak around the pleats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management and has made water filtration in the USA for over 30 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime support.\u003c\/strong\u003e Call, email or chat with our water filtration team whenever you have a question.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple cartridge systems:\u003c\/strong\u003e first stage, ahead of SMART Plus and the carbon block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house RO pre-filtration:\u003c\/strong\u003e first housing, ahead of SMART Plus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house cartridge systems:\u003c\/strong\u003e the sediment pre-filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes by system:\u003c\/strong\u003e 2-7\/8\" x 9-3\/4\" (CQE-RC-04001) for countertop and under-sink systems; 2-7\/8\" x 20\" (CQE-RC-04015) for whole house cartridge housings; 4-5\/8\" x 9-3\/4\" (CQE-RC-04033) and 4-5\/8\" x 20\" (CQE-RC-04034) for larger compact, whole house and whole house RO housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the filter media?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003ePleated cellulose media wrapped around a polypropylene core for strength. The ends are sealed in vinyl plastisol, and the cartridge is rated at 5 microns.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy choose a pleated sediment filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe pleats give the media a large surface area, which maximizes dirt-holding capacity and keeps flow strong at a 5-micron rating.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003ePleated or spun polypropylene: what is the difference?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003ePleated cartridges catch dirt mostly on a large folded surface. Spun polypropylene cartridges trap dirt through the depth of a thick fiber wrap. Crystal Quest systems specify the pleated cellulose cartridge as their standard sediment stage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it treat dissolved contaminants?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. It filters suspended particles only. Dissolved metals, nitrate or pesticides need a carbon, SMART or specialty stage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace a sediment filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTypically 12 to 24 months, about 18 months for most homes. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eUse the actual diameter and length on your current cartridge: 2-7\/8\" x 9-3\/4\", 2-7\/8\" x 20\", 4-5\/8\" x 9-3\/4\" or 4-5\/8\" x 20\". These fit 2.5\" x 10\", 2.5\" x 20\", 5\" x 10\" Big Blue and 5\" x 20\" Big Blue housings.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePleated sediment cartridge specifications\u003c\/h3\u003e\u003cp\u003eAll sizes are rated at 5 microns. Sizes are actual cartridge diameter x length.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eFITS HOUSING\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eMICRON\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eTYPICAL REPLACEMENT\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04001\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04015\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04033\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04034\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and filtration\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003ePleated cellulose on a polypropylene core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduces\u003c\/td\u003e\n\u003ctd\u003eSediment and suspended particles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eDissolved contaminants, chlorine, VOCs, metals, nitrate, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOperating conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater temperature\u003c\/td\u003e\n\u003ctd\u003e40°F to 145°F (4.4°C to 62.8°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFiber Media: Cellulose\u003c\/li\u003e\n\u003cli\u003eCore: Polypropylene\u003c\/li\u003e\n\u003cli\u003eEnd Caps: Vinyl Plastisol\u003c\/li\u003e\n\u003cli\u003eNetting: Polyethylene\u003c\/li\u003e\n\u003cli\u003eTemperature Rating: 40°F to 145°F (4.4°C to 62.8°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Typically 12 to 24 months, about 18 months for most homes. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8” x 9-3\/4” \/ Single","offer_id":67806743134296,"sku":"CQE-RC-04001","price":22.95,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 2","offer_id":67806743167064,"sku":"CQE-RC-04001-2PK","price":45.9,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 4","offer_id":67806743199832,"sku":"CQE-RC-04001-4PK","price":91.8,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Single","offer_id":67806743232600,"sku":"CQE-RC-04015","price":31.5,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 2","offer_id":67806743265368,"sku":"CQE-RC-04015-2PK","price":63.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 4","offer_id":67806743298136,"sku":"CQE-RC-04015-4PK","price":126.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Single","offer_id":67806743330904,"sku":"CQE-RC-04033","price":34.5,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67806743363672,"sku":"CQE-RC-04033-2PK","price":69.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67806743396440,"sku":"CQE-RC-04033-4PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Single","offer_id":67806743429208,"sku":"CQE-RC-04034","price":44.5,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 2","offer_id":67806743461976,"sku":"CQE-RC-04034-2PK","price":89.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 4","offer_id":67806743494744,"sku":"CQE-RC-04034-4PK","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/pleated-cellulose-sediment-cartridge-crystal-quest-water-filter-cartridges-1263260597_f295150b-c920-49cf-9891-1bda7aa05a6e.webp?v=1792488641"},{"product_id":"natural-alkalinize-ionizer-mineralizer-and-oxidation-inline-cartridge","title":"Natural (Alkalinize) Ionizer, Mineralizer and Oxidation Inline Cartridge","description":"\u003cp\u003e\u003cstrong\u003eReverse osmosis makes water remarkably clean, and also remarkably bare.\u003c\/strong\u003e The membrane strips out calcium, magnesium and the other minerals that give water its body, so RO water can taste flat and run slightly acidic. This inline cartridge puts minerals back.\u003c\/p\u003e\u003cp\u003eThe Natural (Alkalinize) Ionizer, Mineralizer and Oxidation Inline Cartridge, part CQE-RC-04054, is filled with a blend of calcite and magnesium oxide. As water flows through, the blend slowly dissolves, adding calcium and magnesium, raising the pH and making the water less corrosive. Its label says it plainly: adds minerals and enhances alkalinity.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds calcium and magnesium\u003c\/strong\u003e back to purified water from a natural carbonate mineral blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaises pH and alkalinity,\u003c\/strong\u003e so water is less acidic and less corrosive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter-tasting RO water:\u003c\/strong\u003e restores the mineral body that purified water lacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline and sealed:\u003c\/strong\u003e plumbed on the water line with threaded connectors, replaced as one piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn optional stage\u003c\/strong\u003e listed for Crystal Quest under-sink RO systems, the Countertop RO system and water coolers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed inline cartridge with an elbow connector at each end. The label reads \"Crystal Quest Natural (Alkalizer) Ionizer, Mineralizer and Oxidation Inline Cartridge\" and shows the flow arrow, part number, operating limits and nine numbered replacement steps. Inside, the media is packed in layers between the inlet and outlet, as the cutaway diagram in the photos shows.\u003c\/p\u003e\u003ch3\u003eHow a carbonate remineralizer works\u003c\/h3\u003e\u003ch4\u003eWhy RO water runs acidic\u003c\/h4\u003e\u003cp\u003eAn RO membrane holds back dissolved minerals, but dissolved carbon dioxide passes straight through it. In water, carbon dioxide forms a weak acid, carbonic acid. With the minerals gone, nothing is left to buffer that acid, so purified water usually leaves the membrane slightly acidic and \"hungry\" for minerals.\u003c\/p\u003e\u003ch4\u003eThe reaction inside the cartridge\u003c\/h4\u003e\u003cp\u003eCalcite and magnesium oxide react with that carbonic acid. Each reaction uses up acid and releases calcium or magnesium ions plus bicarbonate into the water. Bicarbonate is the main form of alkalinity in drinking water: it is what lets water neutralize acid and hold a steady pH. So one gentle reaction does three jobs at once: adds minerals, consumes acidity and builds buffering capacity.\u003c\/p\u003e\u003ch4\u003eSelf-limiting by nature\u003c\/h4\u003e\u003cp\u003eCarbonate minerals dissolve fastest when water is most acidic and slow down as the water approaches balance. That is why a natural mineral stage raises pH gradually rather than overshooting, and why the media is used up slowly over time instead of all at once.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLow pH and acidity in purified water\u003c\/li\u003e\n\u003cli\u003eThe corrosiveness of acidic water toward metal plumbing and fixtures downstream\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced:\u003c\/strong\u003e the flat taste of purified water. The cartridge does this by adding calcium and magnesium from a natural carbonate mineral blend, plus bicarbonate alkalinity, which gives the water a higher pH, more buffering and a rounder taste.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e contaminants. Chlorine, chemicals, metals, fluoride and dissolved solids are handled by the other stages in your system, such as the RO membrane, carbon and \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge\"\u003eSMART cartridges\u003c\/a\u003e. It is also not an electric water ionizer: there are no electrodes and no power, only natural minerals dissolving into the water. Use it only on water that is microbiologically safe.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural minerals, nothing added by machine.\u003c\/strong\u003e The pH rise comes from calcite and magnesium oxide dissolving, the same chemistry that gives spring water its minerals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for our systems.\u003c\/strong\u003e Crystal Quest lists this cartridge as the optional mineralizing stage for its under-sink RO, countertop RO and water cooler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinted guidance on every cartridge.\u003c\/strong\u003e Flow direction, operating limits and replacement steps are on the label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO systems:\u003c\/strong\u003e listed as the optional remineralizer, part CQE-RC-04054, in the Thunder manual and on Thunder system pages such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-under-sink-water-filter-1000c\"\u003eThunder 1000C\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003eCountertop Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e listed as its optional remineralizer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottleless water coolers:\u003c\/strong\u003e listed as an optional cartridge in the water cooler manual.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlacement:\u003c\/strong\u003e we recommend installing it after the RO membrane, where the water has been stripped of minerals, so it remineralizes purified water and adds no load to the membrane. Follow your system's manual for the exact position.\u003c\/p\u003e\u003cp\u003eNeed the same mineral treatment in a standard drop-in housing instead of an inline cartridge? See the \u003ca href=\"https:\/\/crystalquest.com\/products\/natural-alkalinize-ionizer-mineralizer-and-oxidation-cartridges\"\u003edrop-in Natural (Alkalinize) Ionizer, Mineralizer and Oxidation Cartridges\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does it add to the water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCalcium and magnesium from a naturally occurring carbonate mineral blend, plus bicarbonate alkalinity. Together they raise pH and make the water less corrosive.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it remove contaminants?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. It is a mineralizing stage that adds minerals. Contaminant reduction comes from the system's other stages, such as the RO membrane and carbon or SMART cartridges.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an electric alkaline water ionizer?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. It has no electrodes and needs no power. It raises pH naturally as carbonate minerals dissolve into the water as ions.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs it used with RO systems?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Crystal Quest lists it as the optional remineralizer for its Thunder under-sink RO systems and Countertop RO system, and as an optional cartridge for its water coolers. We recommend placing it after the RO membrane.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill it make my water hard?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt adds a modest amount of calcium and magnesium back to purified water, which is what gives mineral water its taste. It is meant for RO and other low-mineral water, not for water that is already hard.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFollow your RO or cooler manual. The media dissolves gradually as it works, so replace it when the water starts to taste flat again. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it different from the drop-in alkalizer cartridges?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBoth use mineral media to raise pH. This one is a sealed inline cartridge plumbed on the water line for RO systems and coolers; the drop-in version fits standard filter housings.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04054\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eInline mineralizing cartridge, calcite and magnesium oxide blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and function\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/eagle-ionizer-media\"\u003eAcid Neutralizing\/pH Enhancing mix\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eGradual mineral dissolution: neutralizes acidity, adds calcium, magnesium and bicarbonate alkalinity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffect\u003c\/td\u003e\n\u003ctd\u003eRaises pH and alkalinity; water less corrosive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContaminant removal\u003c\/td\u003e\n\u003ctd\u003eNone (mineralizing stage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eSealed inline cartridge, threaded elbow connector at each end, flow arrow on label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLabel\u003c\/td\u003e\n\u003ctd\u003eAdds minerals and enhances alkalinity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications (cartridge label)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Water supply\u003c\/td\u003e\n\u003ctd\u003eCold water only; microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Flush about 15 minutes before first use.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806743724120,"sku":"CQE-RC-04054","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806743756888,"sku":"CQE-RC-04054-2PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806743789656,"sku":"CQE-RC-04054-4PK","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/natural-alkalinize-ionizer-mineralizer-and-oxidation-inline-cartridge-crystal-quest-water-filter-cartridges-1263598081.webp?v=1792488641"},{"product_id":"arsenic-removal-inline-reverse-osmosis-filter-cartridge","title":"Arsenic Removal Inline \/ Reverse Osmosis Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eArsenic has no taste, no color and no smell, so a water test is the only way to know it is there.\u003c\/strong\u003e It occurs naturally in rock and soil, which is why it turns up most often in well water, and in some regions far more than others.\u003c\/p\u003e\u003cp\u003eIf your test shows arsenic, this inline cartridge, part CQE-RC-04062, adds a dedicated arsenic-reduction stage right where you drink: before or after a point-of-use RO membrane, on an ice maker or refrigerator line, or inside a water cooler or fountain. Its label says it simply: removes and reduces arsenic.\u003c\/p\u003e\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/CountyMapForCommunication_600x600.png?v=1599439800\" alt=\"US county map of estimated population with arsenic over 10 µg\/L, highest in parts of the West, Great Lakes and New England\" style=\"float: none;\"\u003e\u003c\/div\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dedicated arsenic stage\u003c\/strong\u003e for point-of-use systems, separate from your carbon and sediment stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArsenic-selective media\u003c\/strong\u003e that captures arsenic as water flows through\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits where you need it:\u003c\/strong\u003e pre or post RO, refrigerator and ice maker lines, water coolers and fountains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline and sealed:\u003c\/strong\u003e plumbed on the water line with threaded connectors, replaced as one piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA,\u003c\/strong\u003e as printed on the cartridge label\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed inline cartridge with an elbow connector at each end. The label reads \"Crystal Quest Arsenic Reduction Inline Cartridge\" and shows the flow arrow, part number, operating limits and nine numbered replacement steps. The media is sealed inside, so a change is a clean swap of the whole cartridge.\u003c\/p\u003e\u003ch3\u003eHow arsenic reduction works\u003c\/h3\u003e\u003ch4\u003eTwo forms of arsenic\u003c\/h4\u003e\u003cp\u003eArsenic in drinking water comes in two main forms. Arsenate, the oxidized form, carries a negative charge at normal drinking water pH. Arsenite, the reduced form common in oxygen-poor groundwater, carries almost no charge. That difference decides how well any arsenic media can catch it.\u003c\/p\u003e\u003ch4\u003eCapture on selective media\u003c\/h4\u003e\u003cp\u003eArsenic-selective media is built with sites that hold arsenate strongly as water flows past. Because arsenate is charged, it is drawn to those sites and held, while the water continues on. Uncharged arsenite has little to hold on to, so it passes far more easily.\u003c\/p\u003e\u003ch4\u003eWhy oxidation and water chemistry matter\u003c\/h4\u003e\u003cp\u003eChlorine converts arsenite to arsenate. On chlorinated city water, most arsenic already arrives in the form the media captures best. On well water without chlorination, some arsenic may be arsenite, and an oxidation step ahead of the media makes treatment far more effective. Other dissolved ions in your water also compete for the same sites, so how long the media lasts depends on your full water chemistry, not just the arsenic number on your report.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target (printed on the cartridge label):\u003c\/strong\u003e arsenic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e chlorine and chemical tastes, fluoride, nitrate, dissolved solids, or bacteria and viruses. Those are handled by other stages, such as a \u003ca href=\"https:\/\/crystalquest.com\/products\/water-cooler-reverse-osmosis-multi-stage-filter-cartridge\"\u003eSMART inline cartridge\u003c\/a\u003e and the RO membrane. Use it only on water that is microbiologically safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it right for my water?\u003c\/strong\u003e Start with a test. An \u003ca href=\"https:\/\/crystalquest.com\/products\/arsenic-test\"\u003eArsenic Test\u003c\/a\u003e confirms whether arsenic is present and gives you a baseline to check the treated water against. If your water is from a well and is not chlorinated, or your arsenic is high, talk to a Crystal Quest specialist first: the form of arsenic and the rest of your water chemistry decide the right treatment, and a whole-house or multi-stage approach may fit better than a single point-of-use stage.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dedicated stage, not an afterthought.\u003c\/strong\u003e Arsenic gets its own cartridge and media instead of sharing space in a general-purpose filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for our systems.\u003c\/strong\u003e Crystal Quest lists this cartridge as the optional arsenic stage for its under-sink RO, countertop RO and water cooler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight answers about your water.\u003c\/strong\u003e We tell you what this cartridge is built for, what affects its life and when to call us before buying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunder under-sink RO systems:\u003c\/strong\u003e listed as the optional arsenic cartridge, CQE-RC-04062, on Thunder system pages such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-under-sink-water-filter-1000c\"\u003eThunder 1000C\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \u003ca href=\"https:\/\/crystalquest.com\/products\/countertop-reverse-osmosis-water-filters\"\u003eCountertop Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e listed as its optional arsenic stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottleless water coolers:\u003c\/strong\u003e the optional Water Cooler\/Reverse Osmosis Arsenic cartridge in the water cooler manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerator and ice maker lines:\u003c\/strong\u003e plumbed inline on the supply tubing. It is not a slot-in replacement for a refrigerator's built-in filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThere is no single fixed position for optional inline stages in every system. Its published applications include both pre and post point-of-use RO; install it where your system's manual specifies. Need arsenic treatment in a standard drop-in housing instead? See the \u003ca href=\"https:\/\/crystalquest.com\/products\/arsenic-removal-filter-cartridge\"\u003eArsenic Removal Filter Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes an inline arsenic filter remove both forms of arsenic?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eArsenic-selective media captures arsenate, the charged form, far better than arsenite. Chlorinated city water carries mostly arsenate. For unchlorinated well water, talk to Crystal Quest about adding an oxidation step first.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere does it go in my system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOptional inline specialty cartridges do not have one fixed position in every system. Its published applications include pre and post point-of-use RO; install it where your system's manual specifies.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long does it last?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eArsenic levels, competing minerals in your water and how much water you use set the service plan. A fixed interval is not established for this cartridge, so confirm the plan with Crystal Quest and retest the treated water.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it different from the drop-in Arsenic Removal Filter Cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThat cartridge fits standard drop-in housings in four sizes. This one is an inline cartridge for coolers, appliance lines and point-of-use RO systems.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould I test my water first?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Confirm arsenic with a water test, then choose treatment for your source water. Test again after installing to see your results.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I put it on my refrigerator water line?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, as an inline filter plumbed on the supply tubing. It does not replace a refrigerator's own built-in filter cartridge.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre and post point-of-use reverse osmosis\u003c\/li\u003e\n\u003cli\u003eIce maker and refrigerator\u003c\/li\u003e\n\u003cli\u003eWater cooler\/fountain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04062\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eInline arsenic reduction cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and function\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003eArsenic-selective media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget\u003c\/td\u003e\n\u003ctd\u003eArsenic (label: removes\/reduces arsenic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest captured form\u003c\/td\u003e\n\u003ctd\u003eArsenate, the oxidized form; arsenite may need oxidation first\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003eDepends on arsenic level, competing ions and water use; confirm the service plan with Crystal Quest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eSealed inline cartridge, threaded elbow connector at each end, flow arrow on label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications (cartridge label)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Water supply\u003c\/td\u003e\n\u003ctd\u003eCold water only; microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Flush about 15 minutes before first use.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67806743855192,"sku":"CQE-RC-04062","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67806743887960,"sku":"CQE-RC-04062-2PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67806743920728,"sku":"CQE-RC-04062-4PK","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/arsenic-removal-inline-reverse-osmosis-filter-cartridge-crystal-quest-water-filter-cartridges-1263598061.webp?v=1792488643"},{"product_id":"500-1000-gpd-whole-house-ro-filter-pack","title":"500-1000 GPD Whole House RO Filter Pack","description":"\u003ch3\u003eChoose your replacement pack\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrefilter pack:\u003c\/strong\u003e the cartridge set only, without an RO membrane. Complete replacement packs use the Sediment + SMART Plus prefilter set.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete replacement pack, 500 GPD: the 2 prefilters plus 2 x 2.5\" x 21\" RO membranes (CQE-RC-04084).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 750 GPD: the 2 prefilters plus 1 x 2.5\" x 40\" RO membrane (CQE-RC-04109).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 1000 GPD: the 2 prefilters plus 3 x 2.5\" x 21\" RO membranes (CQE-RC-04084).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCheck the size printed on your current membrane before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eComplete replacement packs are one-time purchases. Replace prefilters typically every 12 to 24 months, about 18 months for most homes; once a year on chlorinated city water. Replace RO membranes every 2 to 3 years. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003eReplacement Filter Pack for 500, 750 and 1000 GPD Whole House RO Systems\u003c\/p\u003e\u003cp\u003eEvery prefilter cartridge measures 4-5\/8\" x 9-3\/4\" (actual size) and fits 5\" x 10\" Big Blue housings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSediment + SMART Plus\u003c\/strong\u003e includes:\u003cbr\u003e(1) 4-5\/8\" x 9-3\/4\" Pleated Sediment Filter Cartridge (CQE-RC-04033)\u003cbr\u003e(1) 4-5\/8\" x 9-3\/4\" SMART Plus Filter Cartridge (CQE-RC-04027)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCarbon Block + Sediment\u003c\/strong\u003e includes:\u003cbr\u003e(1) 4-5\/8\" x 9-3\/4\" Carbon Block Filter Cartridge (CQE-RC-04035)\u003cbr\u003e(1) 4-5\/8\" x 9-3\/4\" Sediment Filter Cartridge (CQE-RC-04033)\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Prefilter pack, Sediment + SMART Plus","offer_id":67806744215640,"sku":"CQ-RC-0003PS","price":193.5,"currency_code":"USD","in_stock":true},{"title":"Prefilter pack, Carbon Block + Sediment","offer_id":67806744248408,"sku":"CQ-RC-0003P","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 500 GPD","offer_id":67806744281176,"sku":"CQ-RC-0003PS-C500","price":518.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 750 GPD","offer_id":67806744313944,"sku":"CQ-RC-0003PS-C750","price":475.25,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1000 GPD","offer_id":67806744346712,"sku":"CQ-RC-0003PS-C1000","price":680.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/sediment-smart-plus-500-1000-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263477385.webp?v=1792488643"},{"product_id":"200-400-gpd-whole-house-ro-filter-pack","title":"200-400 GPD Whole House RO Filter Pack","description":"\u003ch3\u003eChoose your replacement pack\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrefilter pack:\u003c\/strong\u003e the cartridge set only, without an RO membrane.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete replacement pack, 200 or 300 GPD: the 3 prefilters plus 1 x 2.5\" x 14\" RO membrane (CQE-RC-04111).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 400 GPD: the 3 prefilters plus 1 x 2.5\" x 21\" RO membrane (CQE-RC-04084).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCheck the size printed on your current membrane before ordering. Older 300 GPD systems may use a different membrane size.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eComplete replacement packs are one-time purchases. Replace prefilters typically every 12 to 24 months, about 18 months for most homes; once a year on chlorinated city water. Replace RO membranes every 2 to 3 years. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe RO membrane gets the credit for purified water, but the pre-filters decide how long it lasts.\u003c\/strong\u003e Sediment scratches and clogs it, and chlorine attacks it. Fresh pre-filters are the cheapest insurance a whole house RO owner can buy.\u003c\/p\u003e\u003cp\u003eThe Prefilter pack holds the three pre-filter cartridges for a 200, 300 or 400 GPD Crystal Quest whole house RO system: a pleated cellulose sediment cartridge, a SMART cartridge and a coconut-based carbon block cartridge, each 2-7\/8\" x 20\". One order renews every pre-filter stage at once, so all three start fresh together.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree cartridges, one change:\u003c\/strong\u003e sediment (CQE-RC-04015), SMART (CQE-RC-04016) and carbon block (CQE-RC-04014)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects the membrane:\u003c\/strong\u003e captures particles down to 5 microns and reduces chlorine and chloramine before water reaches the RO element\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim 2-7\/8\" x 20\" size\u003c\/strong\u003e for 2.5\" x 20\" housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical replacement 12 to 24 months,\u003c\/strong\u003e about 18 months for most homes, and once a year on chlorinated city water\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrefilter pack: membrane not included\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is in the pack\u003c\/h3\u003e\u003cp\u003eThree cartridges in the order they install, inlet first. The pleated sediment cartridge uses cellulose media wrapped around a polypropylene core, with vinyl plastisol end caps. The SMART cartridge combines coconut shell carbon, catalytic carbon, redox alloy, ion-exchange resin, ceramic and tourmaline media in one cartridge. The carbon block is a solid block of acid-washed coconut shell activated carbon rated at 5 microns. Each is the same part listed in Crystal Quest's own replacement tables, not a generic look-alike.\u003c\/p\u003e\u003ch3\u003eHow the three stages protect your RO membrane\u003c\/h3\u003e\u003ch4\u003eStage 1: sediment\u003c\/h4\u003e\u003cp\u003eThe pleats give the cellulose media a large surface, so it holds a lot of dirt while filtering to 5 microns. It removes sand, silt and rust particles that would otherwise plug the membrane's feed channels and load the stages after it.\u003c\/p\u003e\u003ch4\u003eStage 2: SMART\u003c\/h4\u003e\u003cp\u003eSeveral media do different jobs at once. Catalytic carbon targets chloramine, which standard carbon reduces less effectively. Coconut shell carbon adsorbs chlorine and organic chemicals, while the redox alloy and ion-exchange media work on metals.\u003c\/p\u003e\u003ch4\u003eStage 3: carbon block\u003c\/h4\u003e\u003cp\u003eThe tightly bonded coconut carbon block gives water a long contact time with the carbon, polishing out remaining chlorine, taste and odor compounds, and fine particles down to 5 microns. It is the last guard before the membrane.\u003c\/p\u003e\u003ch4\u003eWhy chlorine removal matters so much\u003c\/h4\u003e\u003cp\u003eThe thin-film composite membrane in a Crystal Quest whole house RO system tolerates less than 1 ppm chlorine. Chlorine that slips past spent pre-filters slowly damages the membrane surface, and that damage does not reverse. Changing pre-filters on time is how you protect the membrane and the system around it.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets\u003c\/strong\u003e (the jobs that protect your RO membrane):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSediment and suspended particles down to 5 microns, such as sand, silt and rust particles\u003c\/li\u003e\n\u003cli\u003eChlorine and chloramine; chlorine that reaches the thin-film composite membrane damages it, and that damage does not reverse\u003c\/li\u003e\n\u003cli\u003eChlorine taste and odor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced\u003c\/strong\u003e by the SMART and carbon media: volatile organic compounds and other organic chemicals, and a range of metals. Performance depends on the contaminant, incoming water quality, flow and cartridge condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e total dissolved solids, hardness or salts. That is the RO membrane's job, and the membrane is not included in the Prefilter pack.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact parts for your system,\u003c\/strong\u003e the same three part numbers our replacement tables list, in the right sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur own SMART media blend,\u003c\/strong\u003e built to handle chloramine as well as chlorine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cp\u003eThe pack family covers 200, 300 and 400 GPD systems. The same three part numbers are listed for the 300 and 400 GPD \u003ca href=\"https:\/\/crystalquest.com\/products\/whole-house-reverse-osmosis-system\"\u003eWhole House Reverse Osmosis System\u003c\/a\u003e and the 200 and 300 GPD \u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-system-low-flow\"\u003eLow-Flow Reverse Osmosis System\u003c\/a\u003e. Check the part numbers on your current cartridges if you are unsure. RO filter cartridges are not returnable under our \u003ca href=\"https:\/\/crystalquest.com\/policies\/refund-policy\"\u003erefund policy\u003c\/a\u003e, so call us first and we will confirm the match.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is in the pack?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOne pleated cellulose sediment cartridge (CQE-RC-04015), one SMART cartridge (CQE-RC-04016) and one coconut-based carbon block cartridge (CQE-RC-04014), each 2-7\/8\" x 20\".\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the Prefilter pack include the RO membrane?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The membrane is sold separately from the Prefilter pack. The 300 GPD Whole House Reverse Osmosis System lists one 2.5\" x 14\" membrane.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIn what order do the cartridges go?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eInlet first: sediment, then SMART, then carbon block.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace the pack?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTypically every 12 to 24 months, about 18 months for most homes, and once a year on chlorinated city water as best practice. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it remove chloramine?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, that is a key job of the SMART stage, whose catalytic carbon targets chloramine. The carbon block then polishes what remains before water reaches the membrane.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it fit the 400 GPD Whole House RO?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The 400 GPD Whole House RO lists the same three part numbers. It uses a different membrane, the 2.5\" x 21\".\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePack contents\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eCARTRIDGE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eACTUAL SIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003ePleated cellulose sediment cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eSMART cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCoconut-based carbon block cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eStage details\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRating\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1. Sediment\u003c\/td\u003e\n\u003ctd\u003ePleated cellulose on a polypropylene core; vinyl plastisol end caps\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2. SMART\u003c\/td\u003e\n\u003ctd\u003eCoconut shell carbon, catalytic carbon, redox alloy, ion-exchange resin, ceramic and tourmaline media\u003c\/td\u003e\n\u003ctd\u003e2.5 gpm at this size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3. Carbon block\u003c\/td\u003e\n\u003ctd\u003eAcid-washed coconut shell activated carbon, solid block\u003c\/td\u003e\n\u003ctd\u003e5 micron; 2.5 gpm at this size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe pack family covers 200, 300 and 400 GPD whole house RO systems. The Prefilter pack does not include an RO membrane; choose the Complete replacement pack for your system's GPD and membrane size to include it. Service life is an estimate: actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Prefilter pack","offer_id":67806744412248,"sku":"CQ-RC-0002P","price":211.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 200 or 300 GPD","offer_id":67806744445016,"sku":"CQ-RC-0002P-C300","price":364.75,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 400 GPD","offer_id":67806744477784,"sku":"CQ-RC-0002P-C400","price":373.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/200-300-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263463678.webp?v=1792488643"},{"product_id":"4000-5000-gpd-whole-house-ro-filter-pack","title":"4000\/5000 GPD Whole House RO Filter Pack","description":"\u003ch3\u003eChoose your replacement pack\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrefilter pack:\u003c\/strong\u003e the cartridge set only, without an RO membrane.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete replacement pack, 4000 GPD: the 3 prefilters plus 2 x 4\" x 40\" RO membranes (CQE-RC-04086).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 5000 GPD: the 3 prefilters plus 3 x 4\" x 40\" RO membranes (CQE-RC-04086).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCheck the size printed on your current membrane before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eComplete replacement packs are one-time purchases. Replace prefilters typically every 12 to 24 months, about 18 months for most homes; once a year on chlorinated city water. Replace RO membranes every 2 to 3 years. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA 4,000 or 5,000 GPD reverse osmosis system supplies a large home or a business, and it runs on two or three 4\" x 40\" membranes.\u003c\/strong\u003e Every gallon reaches them through three pre-filter stages. Keep those stages fresh and the membranes, pump and output stay where they should be.\u003c\/p\u003e\u003cp\u003eThe Prefilter pack holds the three pre-filter cartridges for a 4,000 or 5,000 GPD Crystal Quest whole house RO system: a pleated cellulose sediment cartridge, a SMART cartridge and a coconut-based carbon block cartridge, each 4-5\/8\" x 20\" for 5\" x 20\" Big Blue housings.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe full pre-filter set:\u003c\/strong\u003e sediment (CQE-RC-04034), SMART (CQE-RC-04030) and carbon block (CQE-RC-04036)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Blue 20\" cartridges\u003c\/strong\u003e rated at 6 gpm for the SMART and carbon block stages at this size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane protection:\u003c\/strong\u003e particles down to 5 microns, plus chlorine and chloramine reduction ahead of the 4\" x 40\" elements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical replacement 12 to 24 months,\u003c\/strong\u003e about 18 months for most homes, and once a year on chlorinated city water\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrefilter pack: membranes not included\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInside the pack\u003c\/h3\u003e\u003cp\u003eThe cartridges install in this order, inlet first. \u003cstrong\u003eSediment:\u003c\/strong\u003e pleated cellulose media on a polypropylene core, with vinyl plastisol end caps, rated at 5 microns; the pleats give it a large dirt-holding surface. \u003cstrong\u003eSMART:\u003c\/strong\u003e Crystal Quest's multi-media cartridge with coconut shell carbon, catalytic carbon, redox alloy, ion-exchange resin, ceramic and tourmaline media. \u003cstrong\u003eCarbon block:\u003c\/strong\u003e solid acid-washed coconut shell activated carbon, rated at 5 microns. These are the same part numbers Crystal Quest lists for these system sizes.\u003c\/p\u003e\u003ch3\u003eHow the stages work together\u003c\/h3\u003e\u003ch4\u003eLoad the dirt early\u003c\/h4\u003e\u003cp\u003eThe sediment stage takes the particle load, so the SMART and carbon media spend their capacity on chemistry instead of dirt, and the pump and membranes never see sand, silt or rust.\u003c\/p\u003e\u003ch4\u003eTwo kinds of carbon for two disinfectants\u003c\/h4\u003e\u003cp\u003eMany cities disinfect with chloramine rather than chlorine. The SMART stage's catalytic carbon targets chloramine, which standard carbon handles less effectively; its coconut carbon, redox alloy and ion-exchange media also work on organic chemicals and metals. The carbon block then gives the water a final, close-contact pass for any remaining chlorine, taste and odor.\u003c\/p\u003e\u003ch4\u003eWhy it matters to the membranes\u003c\/h4\u003e\u003cp\u003eThe thin-film composite membranes in these systems tolerate less than 1 ppm chlorine, and the damage chlorine does is permanent. At 4,000 or 5,000 GPD, two or three membranes are at stake, so one fresh set of pre-filters protects all of them at once.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets\u003c\/strong\u003e (the jobs that protect your RO membranes):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSediment and suspended particles down to 5 microns, such as sand, silt and rust\u003c\/li\u003e\n\u003cli\u003eChlorine and chloramine; the thin-film composite membranes tolerate less than 1 ppm chlorine, and the damage chlorine does is permanent\u003c\/li\u003e\n\u003cli\u003eChlorine taste and odor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced\u003c\/strong\u003e by the SMART and carbon media: volatile organic compounds and other organic chemicals, and a range of metals. Performance depends on the contaminant, incoming water quality, flow and cartridge condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e dissolved salts and TDS, which the RO membranes remove, or hardness above 15 gpg and iron or manganese above 0.05 ppm, which need their own pretreatment ahead of a 4,000 to 7,000 GPD system.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe exact three parts\u003c\/strong\u003e our replacement tables list for 4,000 and 5,000 GPD, in the right order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur own SMART blend\u003c\/strong\u003e for chloramine as well as chlorine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4,000 GPD \u003ca href=\"https:\/\/crystalquest.com\/products\/whole-house-reverse-osmosis-system\"\u003eWhole House Reverse Osmosis System\u003c\/a\u003e:\u003c\/strong\u003e two \u003ca href=\"https:\/\/crystalquest.com\/products\/4-x-40-ro-membrane\"\u003e4\" x 40\" membranes\u003c\/a\u003e, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5,000 GPD Whole House Reverse Osmosis System:\u003c\/strong\u003e three 4\" x 40\" membranes, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/reverse-osmosis-system-mid-flow\"\u003eCommercial Mid-Flow RO System\u003c\/a\u003e, 4,000 and 5,000 GPD:\u003c\/strong\u003e lists the same three part numbers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot the 7,000 GPD:\u003c\/strong\u003e that size has a fourth pre-filter housing; order from its own replacement list.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRO filter cartridges are not returnable under our \u003ca href=\"https:\/\/crystalquest.com\/policies\/refund-policy\"\u003erefund policy\u003c\/a\u003e, so compare part numbers with your current cartridges or call us first.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is in the pack?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOne pleated cellulose sediment cartridge (CQE-RC-04034), one SMART cartridge (CQE-RC-04030) and one coconut-based carbon block cartridge (CQE-RC-04036), each 4-5\/8\" x 20\".\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the pack include the RO membrane?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The membrane is sold separately from the Prefilter pack. The 4,000 GPD Whole House Reverse Osmosis System lists two 4\" x 40\" membranes and the 5,000 GPD size lists three.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIn what order do the cartridges go?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eInlet first: sediment, then SMART, then carbon block.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace the pack?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTypically every 12 to 24 months, about 18 months for most homes, and once a year on chlorinated city water as best practice. Replace sooner if taste, odor, flow or pressure changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill it work on my 7,000 GPD system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNot as a complete set. The 7,000 GPD system has four pre-filter housings. Order from its own replacement list, or call us to confirm.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eMy city uses chloramine. Is that covered?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The SMART stage's catalytic carbon targets chloramine, and the carbon block polishes what remains before the membranes.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePack contents\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eCARTRIDGE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eACTUAL SIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003ePleated cellulose sediment cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04034\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eSMART cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCoconut-based carbon block cartridge\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04036\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eStage details\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRating\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1. Sediment\u003c\/td\u003e\n\u003ctd\u003ePleated cellulose on a polypropylene core; vinyl plastisol end caps\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2. SMART\u003c\/td\u003e\n\u003ctd\u003eCoconut shell carbon, catalytic carbon, redox alloy, ion-exchange resin, ceramic and tourmaline media\u003c\/td\u003e\n\u003ctd\u003e6 gpm at this size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3. Carbon block\u003c\/td\u003e\n\u003ctd\u003eAcid-washed coconut shell activated carbon, solid block\u003c\/td\u003e\n\u003ctd\u003e5 micron; 6 gpm at this size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe pack's GPD label names the whole house RO systems it serves (4000 and 5000 GPD). It does not include an RO membrane. Service life is an estimate: actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Prefilter pack","offer_id":67806744576088,"sku":"CQ-RC-0004P","price":330.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 4000 GPD","offer_id":67806744608856,"sku":"CQ-RC-0004P-C4000","price":902.7,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 5000 GPD","offer_id":67806744641624,"sku":"CQ-RC-0004P-C5000","price":1189.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/4000-5000-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263463676.webp?v=1792488644"},{"product_id":"1500-2500-gpd-whole-house-ro-filter-pack","title":"1500-2500 GPD Whole House RO Filter Pack","description":"\u003ch3\u003eChoose your replacement pack\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrefilter pack:\u003c\/strong\u003e the cartridge set only, without an RO membrane. Complete replacement packs use the Sediment + SMART Plus prefilter set.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete replacement pack, 1500 GPD: the 2 prefilters plus 2 x 2.5\" x 40\" RO membranes (CQE-RC-04109).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 1800 GPD: the 2 prefilters plus 1 x 4\" x 40\" RO membrane (CQE-RC-04086).\u003c\/li\u003e\n\u003cli\u003eComplete replacement pack, 2500 GPD: the 2 prefilters plus 3 x 2.5\" x 40\" RO membranes (CQE-RC-04109).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCheck the size printed on your current membrane before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eComplete replacement packs are one-time purchases. Replace prefilters typically every 12 to 24 months, about 18 months for most homes; once a year on chlorinated city water. Replace RO membranes every 2 to 3 years. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003eReplacement Filter Pack for 1500, 1800 and 2500 GPD Whole House RO Systems\u003c\/p\u003e\u003cp\u003eEvery prefilter cartridge measures 4-5\/8\" x 20\" (actual size) and fits 5\" x 20\" Big Blue housings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSediment + SMART Plus\u003c\/strong\u003e includes:\u003cbr\u003e(1) 4-5\/8\" x 20\" Pleated Sediment Filter Cartridge (CQE-RC-04034)\u003cbr\u003e(1) 4-5\/8\" x 20\" SMART Plus Filter Cartridge (CQE-RC-04030)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCarbon Block + Sediment\u003c\/strong\u003e includes:\u003cbr\u003e(1) 4-5\/8\" x 20\" Carbon Block Filter Cartridge (CQE-RC-04036)\u003cbr\u003e(1) 4-5\/8\" x 20\" Sediment Filter Cartridge (CQE-RC-04034)\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Prefilter pack, Sediment + SMART Plus","offer_id":67806744936536,"sku":"CQ-RC-0001PS","price":285.5,"currency_code":"USD","in_stock":true},{"title":"Prefilter pack, Carbon Block + Sediment","offer_id":67806744969304,"sku":"CQ-RC-0001P","price":84.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1500 GPD","offer_id":67806745002072,"sku":"CQ-RC-0001PS-C1500","price":849.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1800 GPD","offer_id":67806745034840,"sku":"CQ-RC-0001PS-C1800","price":571.85,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 2500 GPD","offer_id":67806745067608,"sku":"CQ-RC-0001PS-C2500","price":1130.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/sediment-smart-plus-1500-2500-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263477383.webp?v=1792488645"},{"product_id":"arsenic-removal-smart-refrigerator-in-line-water-filter-system","title":"Arsenic Removal + SMART Refrigerator \/ In-line Water Filter System","description":"\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eArsenic Removal + SMART Refrigerator \/ In-line Water Filter System is designed for use on refrigerators with ice-makers and\/or water through the door. It may be used with water fountains, water coolers, commercial coffee makers, and ice machines as well. High-pressure quick-connect fittings can be used on either 1\/4\" o.d. copper or plastic tubing. Can be manufactured with 3\/8\" which would require an additional conversion package to be ordered.. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains Arsenic-selective resin, designed specifically for reducing arsenic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan\u003eIt also contains 2-one micron filter pads, ERA-6500, ERA-9500, and coconut shell GAC. To read about how GAC's work, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/how-gac-works\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e. To read about the ERA® Oxidation\/Reduction Process, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/oxidation-reduction-process\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/CountyMapForCommunication_600x600.png?v=1599439800\" alt=\"Chart: US county map of estimated population with arsenic above 10 micrograms per liter\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 5\"L x 14\"H (10\"+4\" to change cartridge) x 5\"W\u003c\/li\u003e\n\u003cli\u003eWeight: 6 lbs\u003c\/li\u003e\n\u003cli\u003eSuggested flow rate: 0.3-0.5 or less gallon per minute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eReplacement Cartridges\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003eProduct Name\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eSKU\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eArsenic + SMART Filter Cartridge (2-7\/8” x 9-3\/4”)  \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/arsenic-smart-filter-carrtridge%20\" title=\"CQE-RC-04051\"\u003eCQE-RC-04051\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003ch3 class=\"shg-c\" id=\"s-89358b5a-6c92-4450-bcdb-9de5df5c4b44\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\"\u003eInline Manual\u003c\/a\u003e\u003c\/h3\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Default Title","offer_id":67807196610648,"sku":"CQE-RF-00709","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/arsenic-removal-smart-refrigerator-in-line-water-filter-system-crystal-quest-inline-water-filters-16335532097629.jpg?v=1792490863"},{"product_id":"smart-fluoride-removal-water-pitcher-cartridge-1","title":"SMART\/Fluoride Removal Water Pitcher Cartridge","description":"\u003cp\u003e\u003cstrong\u003eYou checked your water report and saw fluoride. Or you simply want a say in what is in the water your family drinks every day.\u003c\/strong\u003e A carbon-only pitcher filter cannot help with that: fluoride slips straight through ordinary carbon.\u003c\/p\u003e\u003cp\u003eThe SMART\/Fluoride Removal Water Pitcher Cartridge is the fluoride water pitcher filter replacement for the Crystal Quest Water Pitcher Filter System. It pairs Crystal Quest SMART media with dedicated fluoride reduction media in one cartridge, so a single pitcher targets fluoride along with chlorine, chloramines and their by-products, inorganic compounds and heavy metals. It also reacts with water hardness to enhance alkalinity.\u003c\/p\u003e\u003cdiv class=\"cq-smart-testing-badge\" style=\"margin:0 0 20px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/CQE-RC-04047_2020_2295-20552_Chlorine_Pass.pdf?v=1601565208\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:14px;max-width:100%;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/iamop_tested_240x240.jpg?v=1601565142\" alt=\"IAPMO R\u0026amp;T Lab Tested badge\" width=\"120\" loading=\"lazy\" style=\"width:120px;max-width:35%;height:auto;margin:0;flex-shrink:0;\"\u003e\u003cspan\u003eView the chlorine test report for the Standard\/SMART pitcher cartridge (CQE-RC-04047). It does not cover this cartridge's fluoride media.\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluoride reduction in a pitcher:\u003c\/strong\u003e dedicated fluoride media that carbon-only pitcher filters do not have\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMART media on board:\u003c\/strong\u003e the same idea as our standard pitcher cartridge, targeting chlorine, chloramines and heavy metals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits the pitcher you already own:\u003c\/strong\u003e swap it in for the Standard\/SMART cartridge, no new pitcher needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacks of 2, 4 and 6\u003c\/strong\u003e so a fresh cartridge is always ready\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA slim pitcher cartridge with mesh inlet screens that presses into the bottom of your pitcher's reservoir and seals there, so every drop poured into the top has to pass through the media. Inside, SMART media and fluoride reduction media share one cartridge.\u003c\/p\u003e\u003ch3\u003eHow a fluoride pitcher filter works\u003c\/h3\u003e\u003ch4\u003eWhy carbon alone leaves fluoride behind\u003c\/h4\u003e\u003cp\u003eActivated carbon is excellent at holding chlorine-taste compounds and many organic chemicals on its surface. Fluoride is different. It is a small, negatively charged ion that stays dissolved in water and does not stick to carbon. To reduce it, you need media chosen for that job.\u003c\/p\u003e\u003ch4\u003eFluoride reduction media\u003c\/h4\u003e\u003cp\u003eFluoride reduction media offer a mineral surface that attracts fluoride ions and holds them as water passes. Because that exchange needs time, a pitcher is a good place for it: water moves through by gravity, slowly, giving the media more contact with every glass.\u003c\/p\u003e\u003ch4\u003eSMART media\u003c\/h4\u003e\u003cp\u003eSMART is Crystal Quest's multi-media blend of copper-zinc redox alloy, ion exchange resin and activated carbon. Redox media reduce chlorine through an exchange of electrons, the resin captures dissolved metals, and carbon adsorbs the organic compounds behind off tastes and odors.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFluoride\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced\u003c\/strong\u003e by the SMART media: chlorine and chloramines and their by-products, inorganic compounds and heavy metals. It also reacts with water hardness to enhance alkalinity. No fluoride capacity has been published for this cartridge, so retest your filtered water if you rely on it for fluoride reduction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, nitrate or total dissolved solids, and it is not for water that is microbiologically unsafe or of unknown quality. For arsenic, use the \u003ca href=\"https:\/\/crystalquest.com\/products\/pitcher-multistage-arsenic-cartridge\"\u003eSMART\/Arsenic Removal cartridge\u003c\/a\u003e in the same pitcher. For fluoride at every tap, see Crystal Quest \u003ca href=\"https:\/\/crystalquest.com\/collections\/fluoride-water-filters\"\u003efluoride water filters\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne pitcher, five cartridge choices.\u003c\/strong\u003e Switch between standard, fluoride, arsenic, alkalizing and DI cartridges as your needs change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonest about the numbers.\u003c\/strong\u003e No fluoride capacity has been published for this cartridge, so we tell you to retest rather than guess. The linked test report covers the standard cartridge's chlorine reduction, and we say so.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA.\u003c\/strong\u003e Over 1,000,000 people served since 1994, under ISO 9001 quality management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal help.\u003c\/strong\u003e Our water filtration team can help you read a water report and choose the right cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cp\u003eThis cartridge, part number CQE-RC-04130, fits the \u003ca href=\"https:\/\/crystalquest.com\/products\/water-filter-pitcher\"\u003eCrystal Quest Water Pitcher Filter System\u003c\/a\u003e in every pitcher color. Use it in place of the \u003ca href=\"https:\/\/crystalquest.com\/products\/pitcher-filter\"\u003eStandard\/SMART Water Pitcher Cartridge\u003c\/a\u003e when fluoride is your concern. Single, Pack of 2, Pack of 4 and Pack of 6 all contain this same cartridge.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it different from the Standard\/SMART cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt adds fluoride-reduction media to SMART filtration in a single cartridge, so it targets fluoride along with chlorine, chloramines and heavy metals.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo fixed interval or fluoride capacity has been published for this cartridge. Replace it when taste, odor or flow changes, and retest your water if you rely on it for fluoride reduction. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs the linked lab report for this cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The IAPMO R\u0026amp;T Lab report covers chlorine reduction by the Standard\/SMART pitcher cartridge (CQE-RC-04047) under NSF\/ANSI 42. It does not test fluoride reduction or this cartridge, and it is not a product certification.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich pitcher does it fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe Crystal Quest Water Pitcher Filter System, in any pitcher color. The pitcher manual calls for Crystal Quest approved cartridges only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes a regular pitcher filter remove fluoride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNot a carbon-only one. Fluoride is a small dissolved ion that carbon does not hold. This cartridge adds dedicated fluoride reduction media for that job.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow do I know it is still reducing fluoride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRetest. Fluoride has no taste or smell, so taste cannot tell you when the fluoride media is spent. Test the filtered water after you start a new cartridge and again over time, and replace the cartridge when the result no longer meets your goal.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould I choose this or the Standard\/SMART cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eChoose this one when fluoride is your concern. If your goal is chlorine taste and odor, VOCs, THMs and heavy metals, the Standard\/SMART cartridge is the everyday choice and has a published 2,000 gallon life.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCartridge type\u003c\/td\u003e\n\u003ctd\u003eSMART\/Fluoride Removal pitcher replacement cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement for\u003c\/td\u003e\n\u003ctd\u003eCrystal Quest Water Pitcher Filter System, all colors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart numbers\u003c\/td\u003e\n\u003ctd\u003eCQE-RC-04130 (single); CQE-RC-04912, CQE-RC-04913, CQE-RC-04914 (packs of 2, 4 and 6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/products\/smart-multimedia\"\u003eSMART Multimedia\u003c\/a\u003e and \u003ca href=\"\/products\/eagle-activated-charcoal-fluoride-removal-media\"\u003eCalcium GAC Fluoride\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTargets\u003c\/td\u003e\n\u003ctd\u003eFluoride, chlorine, chloramines and their by-products, inorganic compounds, heavy metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater temperature\u003c\/td\u003e\n\u003ctd\u003eCold water only, 40 to 85°F (4.4 to 29°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eBacteria and viruses, nitrate, TDS, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement interval\u003c\/td\u003e\n\u003ctd\u003eNot published for this cartridge. Actual life depends on feed water quality, system configuration and usage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eCartridge color is subject to change without notice.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is and is not included\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003ctd\u003ePitcher, lid and reservoir (they come with the Water Pitcher Filter System)\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67807310872664,"sku":"CQE-RC-04130","price":21.0,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67807310905432,"sku":"CQE-RC-04912","price":40.95,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67807310938200,"sku":"CQE-RC-04913","price":80.49,"currency_code":"USD","in_stock":true},{"title":"Pack of 6","offer_id":67807310970968,"sku":"CQE-RC-04914","price":118.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/single-smart-fluoride-removal-water-pitcher-cartridge-crystal-quest-water-filter-cartridges-1263260542_5cfc7121-c8f9-4bd2-bce3-42b62d18469b.webp?v=1792491531"},{"product_id":"arsenic-removal-filter-cartridge","title":"Arsenic Removal Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eArsenic has no taste, no odor and no color.\u003c\/strong\u003e Water can look perfect and still carry it, and the only way to know is a water test. Arsenic is highly toxic and has been classified by the EPA as a carcinogen, and the drinking water limit is just 10 parts per billion.\u003c\/p\u003e\u003cp\u003eThe Crystal Quest Arsenic Removal Filter Cartridge is a dedicated arsenic stage for well water and other sources where a test has found arsenic. It is filled with Eagle Arsenic Oxide, Crystal Quest's iron hydroxide arsenic media, designed to capture both forms of arsenic found in water, arsenic V (arsenate) and arsenic III (arsenite), in a standard drop-in cartridge.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets arsenic,\u003c\/strong\u003e both arsenic V and arsenic III\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity with conditions:\u003c\/strong\u003e 1,000 to 60,000 gallons by size, rated at under 100 ppm hardness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo electricity, drain line or chemicals:\u003c\/strong\u003e it works in a standard filter housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e for countertop, under-sink and whole house housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dedicated stage,\u003c\/strong\u003e or pair it with SMART for broad filtration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eEach cartridge holds a bed of arsenic-selective media in polyolefin inner and outer wraps and polyethylene netting, closed with polypropylene end caps and sealed with Buna-N gaskets. Water flows through the media bed, where the arsenic stays behind. Each end cap has 1-micron pads behind its openings.\u003c\/p\u003e\u003ch3\u003eHow an arsenic filter cartridge works\u003c\/h3\u003e\u003ch4\u003eWhere arsenic comes from\u003c\/h4\u003e\u003cp\u003eArsenic does not dissolve easily, so when it turns up in a water supply it usually traces back to natural mineral deposits, mining and metal processing, or runoff from land where arsenic compounds were once used as pesticides. Private wells carry the highest risk because no utility tests them for you.\u003c\/p\u003e\u003ch4\u003eTwo forms, two behaviors\u003c\/h4\u003e\u003cp\u003eArsenic V (arsenate) is the oxidized form. At normal water pH it carries a negative charge, so selective media grab it quickly and hold it tightly. Arsenic III (arsenite) is common in low-oxygen groundwater. At normal pH it carries no charge, so it is slower to capture. Media designed for both forms still work best when most of the arsenic is arsenic V, which is why a well with mostly arsenic III may benefit from an oxidation step ahead of the cartridge.\u003c\/p\u003e\u003ch4\u003eWhat competes for the media\u003c\/h4\u003e\u003cp\u003eArsenic and phosphate are chemical look-alikes and easily substitute for one another, so phosphate in the water competes for the same sites. Other anions, such as sulfate, compete too. The more of them your water carries, the sooner the media fills. That is why the capacity table states its condition, and why your full water test matters as much as the arsenic number.\u003c\/p\u003e\u003ch4\u003eWhy capacity has conditions\u003c\/h4\u003e\u003cp\u003eEvery microgram of arsenic the cartridge captures uses part of its capacity. Crystal Quest rates each size at under 100 ppm hardness instead of quoting a bare gallon number. Higher arsenic, phosphate or flow uses capacity faster.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target:\u003c\/strong\u003e arsenic, both arsenic V (arsenate) and arsenic III (arsenite). Capacity is rated for each size in the Specifications tab.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, nitrate, fluoride, hardness, iron, or chlorine and chemical tastes. Use it only on microbiologically safe water.\u003c\/p\u003e\u003ch3\u003eIs it right for my water?\u003c\/h3\u003e\u003cp\u003eStart with a lab test for total arsenic, and ask the lab to report arsenic III and arsenic V separately if it can. Add phosphate, sulfate, iron and pH to the same test. With those numbers, Crystal Quest can tell you which size fits your arsenic load and whether an oxidation stage ahead of the cartridge will help.\u003c\/p\u003e\u003cp\u003eIf you want arsenic reduction and broad chemical filtration from one stage, the \u003ca href=\"https:\/\/crystalquest.com\/products\/arsenic-smart-filter-carrtridge\"\u003eArsenic Removal + SMART Filter Cartridge\u003c\/a\u003e combines arsenic-selective media with carbon and redox media. For a whole home, ask us about an arsenic tank system.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for both forms of arsenic,\u003c\/strong\u003e with the chemistry explained so you know what to test for.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumbers you can plan with.\u003c\/strong\u003e Every size carries a gallon rating and the hardness condition behind it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA complete arsenic lineup:\u003c\/strong\u003e this dedicated cartridge, the SMART combination and whole house arsenic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountertop and under-sink systems\u003c\/strong\u003e that take the 2-7\/8\" x 9-3\/4\" size, for arsenic-reduced drinking and cooking water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house cartridge systems\u003c\/strong\u003e with slim 20\" or Big Blue housings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04008), 2-7\/8\" x 20\" (CQE-RC-04021), 4-5\/8\" x 9-3\/4\" (CQE-RC-04067) or 4-5\/8\" x 20\" (CQE-RC-04070).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it remove both arsenic III and arsenic V?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe media is designed for both forms. Arsenic V is captured fastest. If your test shows mostly arsenic III, ask Crystal Quest about an oxidation step ahead of the cartridge so more of it reaches the media as arsenic V.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this a good arsenic filter cartridge for well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Wells are where most arsenic shows up, because no utility tests or treats them. Test first so you know your arsenic level and form, then choose the size.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long does an arsenic filter cartridge last?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCapacity is rated at under 100 ppm hardness: 1,000 gallons for the 2-7\/8\" x 9-3\/4\", 3,000 for the 2-7\/8\" x 20\", 30,000 for the 4-5\/8\" x 9-3\/4\" and 60,000 for the 4-5\/8\" x 20\". Higher arsenic, phosphate or flow shortens that.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow does this differ from the Arsenic + SMART cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis is the dedicated arsenic cartridge. The SMART combination adds carbon and redox media for chlorine, chemical and heavy metal reduction in the same cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy does phosphate matter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003ePhosphate is chemically similar to arsenic and competes for the same sites in the media. Water with more phosphate fills the media sooner, so include phosphate in your water test.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the actual size on your current cartridge: 2-7\/8\" x 9-3\/4\" fits 2.5\" x 10\" housings, 2-7\/8\" x 20\" fits 2.5\" x 20\", 4-5\/8\" x 9-3\/4\" fits 5\" x 10\" Big Blue and 4-5\/8\" x 20\" fits 5\" x 20\" Big Blue. Each size has its own flow and capacity.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eArsenic filter cartridge specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge and listed conditions. Capacity is an estimate that depends on incoming water contaminants and usage.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eITEM NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eSIZE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFITS HOUSING\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFLOW RATE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eCAPACITY\u003cbr\u003e(\u0026lt;100 PPM HARDNESS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04008\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e1,000 gallons*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04021\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3,000 gallons*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04067\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e30,000 gallons*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04070\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e60,000 gallons*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/eagleoxide-arsenic-resin\"\u003eEagle Arsenic Oxide\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTargets\u003c\/td\u003e\n\u003ctd\u003eArsenic V (arsenate) and arsenic III (arsenite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompeting ions\u003c\/td\u003e\n\u003ctd\u003ePhosphate and sulfate share the media's sites and shorten life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity conditions\u003c\/td\u003e\n\u003ctd\u003eUnder 100 ppm hardness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegeneration\u003c\/td\u003e\n\u003ctd\u003eNone. Replace when spent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater quality\u003c\/td\u003e\n\u003ctd\u003eUse only on microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polypropylene End Caps\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Pressure: 20 psi (1.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polyolefin Inner\/Outer Wraps\u003c\/td\u003e\n\u003ctd\u003e• Maximum Operating Pressure: 60 psi (4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polyethylene Netting\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Temperature: 40° F (4° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Buna-N Gaskets End Caps\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e• Maximum Operating Temperature: 90° F (32° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• End Pads: 1-micron pads behind the end-cap openings\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Capacity is an estimate at under 100 ppm hardness. Actual life depends on incoming water contaminants and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8\" x 9-3\/4\" \/ Single","offer_id":67807311954008,"sku":"CQE-RC-04008","price":79.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67807311986776,"sku":"CQE-RC-04008-2PK","price":158.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67807312019544,"sku":"CQE-RC-04008-4PK","price":316.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Single","offer_id":67807312052312,"sku":"CQE-RC-04021","price":178.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 2","offer_id":67807312085080,"sku":"CQE-RC-04021-2PK","price":356.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 4","offer_id":67807312117848,"sku":"CQE-RC-04021-4PK","price":712.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Single","offer_id":67807312150616,"sku":"CQE-RC-04067","price":184.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 2","offer_id":67807312183384,"sku":"CQE-RC-04067-2PK","price":368.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 4","offer_id":67807312216152,"sku":"CQE-RC-04067-4PK","price":736.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Single","offer_id":67807312248920,"sku":"CQE-RC-04070","price":261.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 2","offer_id":67807312281688,"sku":"CQE-RC-04070-2PK","price":522.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 4","offer_id":67807312314456,"sku":"CQE-RC-04070-4PK","price":1044.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/arsenic-removal-filter-cartridge-crystal-quest-water-filter-cartridges-1263260727.webp?v=1792491534"},{"product_id":"aluminum-oxide-fluoride-reduction-filter-cartridge","title":"Aluminum Oxide Fluoride Reduction Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eYour city adds fluoride to the water, and you would rather choose how much of it your family drinks.\u003c\/strong\u003e A standard carbon filter will not do that. Fluoride is a small, dissolved ion, and it takes a media built for fluoride to pull it out of the water.\u003c\/p\u003e\u003cp\u003eThe Crystal Quest Aluminum Oxide Fluoride Reduction Filter Cartridge is that media in a drop-in cartridge. It is packed with granules of synthetic crystalline aluminum oxide, the fluoride media water treatment professionals call activated alumina. It is the mineral alternative to bone char: no animal-derived material, no salt and no regeneration, just a media bed that holds on to fluoride as your water passes through.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets inorganic fluoride in municipal water,\u003c\/strong\u003e with arsenic and lead also reduced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks by adsorption and chemical reaction,\u003c\/strong\u003e not ion exchange, so it needs no salt and no regeneration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral media, not bone char:\u003c\/strong\u003e synthetic aluminum oxide granules processed to keep fines to a minimum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e for countertop, under-sink and whole house housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry disclosed:\u003c\/strong\u003e the pH and flow conditions that give the media its best performance are explained below\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eEach cartridge is a column of tough, uniform aluminum oxide granules held in polyolefin inner and outer wraps and polyethylene netting, closed with polypropylene end caps and sealed with Buna-N gaskets. The granules are similar in size to ion exchange resin beads. They barely swell or shrink in water and keep pressure loss low, so the cartridge holds its shape and its flow through its service life. Each end cap has 1-micron pads behind its openings.\u003c\/p\u003e\u003ch3\u003eHow an aluminum oxide fluoride filter works\u003c\/h3\u003e\u003ch4\u003eFluoride sticks to the surface\u003c\/h4\u003e\u003cp\u003eAluminum oxide granules are full of internal surface, and that surface carries reactive sites with a strong attraction to fluoride. As water moves through the bed, fluoride ions are drawn onto those sites and bound there by a combination of adsorption and chemical reaction with the media. Because the removal does not depend on ion exchange, the cartridge does not need to be recharged with salt. When the sites are used up, the cartridge is spent and you replace it.\u003c\/p\u003e\u003ch4\u003eWhy pH matters\u003c\/h4\u003e\u003cp\u003eAluminum oxide does its best fluoride work in slightly acidic water, around pH 5.5. The media is stable from pH 4 to 10, but as pH rises, its surface becomes less attractive to fluoride and capacity falls. Most city water is near neutral or slightly alkaline, which is why fluoride media life varies so much from one home to the next.\u003c\/p\u003e\u003ch4\u003eWhy flow matters\u003c\/h4\u003e\u003cp\u003eFluoride removal on aluminum oxide is a contact-time reaction. Slower water gives each fluoride ion more time to find a site, and higher flow costs capacity. That is why every size carries its own rated flow, and why sizing up gives the media more time to work at the same tap flow.\u003c\/p\u003e\u003ch4\u003eKeep chlorine low\u003c\/h4\u003e\u003cp\u003eThe media is rated for free chlorine up to 1 ppm. On chlorinated city water, use it in a system that also has a carbon or SMART stage.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target:\u003c\/strong\u003e fluoride, specifically inorganic fluoride in municipal water. This is the fluoride form that city treatment adds and the form this media is built to capture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced\u003c\/strong\u003e (named on Crystal Quest's product records; there is no separate capacity rating for these):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eArsenic, which aluminum oxide also adsorbs\u003c\/li\u003e\n\u003cli\u003eLead\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, nitrate, hardness, or chlorine and chemical tastes as a dedicated stage. Use it only on microbiologically safe water.\u003c\/p\u003e\u003ch3\u003eIs it right for my water?\u003c\/h3\u003e\u003cp\u003eIt is built for inorganic fluoride in municipal water. If your fluoride is organic or comes from a well or another natural source, talk to a Crystal Quest specialist before you choose a fluoride media.\u003c\/p\u003e\u003cp\u003eCrystal Quest offers two fluoride media. \u003ca href=\"https:\/\/crystalquest.com\/products\/calcium-gac-fluoride-reduction-filter-cartridge\"\u003eCalcium GAC\u003c\/a\u003e is bone char and is our standard fluoride cartridge. Aluminum oxide is the choice when you want a mineral media with no animal-derived material. The two cartridges are interchangeable, so either fits the same position. If you want fluoride reduction and broad chemical filtration in one cartridge, the \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-aluminum-oxide-fluoride-reduction-filter-cartridge\"\u003eSMART + Aluminum Oxide Fluoride Reduction Filter Cartridge\u003c\/a\u003e combines both.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe chemistry, explained.\u003c\/strong\u003e You know what the media is, how it captures fluoride and which conditions help or hurt it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA full fluoride lineup.\u003c\/strong\u003e Bone char, aluminum oxide and SMART combinations, so the media can match your water and your preferences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull construction disclosure,\u003c\/strong\u003e from media to wraps to gaskets, in the Specifications tab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountertop and under-sink systems\u003c\/strong\u003e that take the 2-7\/8\" x 9-3\/4\" size, as the fluoride stage alongside carbon or SMART stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house cartridge systems\u003c\/strong\u003e with slim 20\" or Big Blue housings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04006), 2-7\/8\" x 20\" (CQE-RC-04019), 4-5\/8\" x 9-3\/4\" (CQE-RC-04065) or 4-5\/8\" x 20\" (CQE-RC-04068).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs aluminum oxide the same as activated alumina?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Activated alumina is the water treatment name for porous aluminum oxide granules like the media in this cartridge. It captures fluoride on its surface by adsorption and chemical reaction.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this the same as the Calcium GAC fluoride cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Calcium GAC is bone char, Crystal Quest's standard fluoride media. This cartridge uses aluminum oxide, a mineral media with no animal-derived material. The two are interchangeable, so you can choose by preference.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use it for well water fluoride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt is built for inorganic fluoride in municipal water. For fluoride from a well or another natural source, speak with a Crystal Quest specialist before choosing a media.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes my water's pH affect fluoride removal?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Aluminum oxide captures the most fluoride in slightly acidic water, around pH 5.5, and its capacity drops as pH rises. Slower flow helps too, because the reaction needs contact time.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace an aluminum oxide fluoride cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt depends on your fluoride level, pH, flow and water use, so there is no fixed calendar interval. Test the treated water and replace the cartridge when fluoride starts to rise.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the actual size on your current cartridge: 2-7\/8\" x 9-3\/4\" fits 2.5\" x 10\" housings, 2-7\/8\" x 20\" fits 2.5\" x 20\", 4-5\/8\" x 9-3\/4\" fits 5\" x 10\" Big Blue and 4-5\/8\" x 20\" fits 5\" x 20\" Big Blue. Each size has its own flow rate.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eAluminum oxide fluoride filter cartridge specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge and listed conditions. Media life depends on incoming fluoride, pH, flow and usage.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eSIZE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFITS HOUSING\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFLOW RATE\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04006\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04019\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04065\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04068\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/eagle-fluoride-resin\"\u003eAluminum Oxide Fluoride\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eAdsorption and chemical reaction; not ion exchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTargets\u003c\/td\u003e\n\u003ctd\u003eInorganic fluoride in municipal water; arsenic and lead also reduced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia pH range\u003c\/td\u003e\n\u003ctd\u003e4 to 10; best fluoride capacity in slightly acidic water (about pH 5.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia free chlorine limit\u003c\/td\u003e\n\u003ctd\u003e1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegeneration\u003c\/td\u003e\n\u003ctd\u003eNone. Replace when spent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eOperating Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polypropylene End Caps\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Pressure: 20 psi (1.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polyolefin Inner\/Outer Wraps\u003c\/td\u003e\n\u003ctd\u003e• Maximum Operating Pressure: 60 psi (4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Polyethylene Netting\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Temperature: 40° F (4° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Buna-N Gaskets End Caps\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e• Maximum Operating Temperature: 90° F (32° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• End Pads: 1-micron pads behind the end-cap openings\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8\" x 9-3\/4\" \/ Single","offer_id":67807312609368,"sku":"CQE-RC-04006","price":69.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67807312642136,"sku":"CQE-RC-04006-2PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67807312674904,"sku":"CQE-RC-04006-4PK","price":276.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Single","offer_id":67807312707672,"sku":"CQE-RC-04019","price":168.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 2","offer_id":67807312740440,"sku":"CQE-RC-04019-2PK","price":336.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 4","offer_id":67807312773208,"sku":"CQE-RC-04019-4PK","price":672.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Single","offer_id":67807312805976,"sku":"CQE-RC-04065","price":176.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 2","offer_id":67807312838744,"sku":"CQE-RC-04065-2PK","price":352.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 4","offer_id":67807312871512,"sku":"CQE-RC-04065-4PK","price":704.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Single","offer_id":67807312904280,"sku":"CQE-RC-04068","price":239.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 2","offer_id":67807312937048,"sku":"CQE-RC-04068-2PK","price":478.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 4","offer_id":67807312969816,"sku":"CQE-RC-04068-4PK","price":956.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/aluminum-oxide-fluoride-reduction-filter-cartridge-crystal-quest-water-filter-cartridges-1263260748.webp?v=1792491536"},{"product_id":"faucet-mount-filter-cartridge-1","title":"Faucet Mount Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eCoffee that tastes like the pool. A glass of tap water with a chemical edge. Ice cubes with a chemical aftertaste.\u003c\/strong\u003e If your kitchen tap is on chlorinated city water, a faucet mount filter is the quickest fix: no plumbing, no cabinet space, just better water at the flip of a lever.\u003c\/p\u003e\u003cp\u003eThis faucet filter replacement cartridge is the sealed, six-stage cartridge for the Crystal Quest Faucet Mount Water Filter System. It targets chlorine, VOCs, THMs, heavy metals and suspended solids, along with bad taste and odor, for drinking and cooking water straight from the tap.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix stages of filtration\u003c\/strong\u003e in one sealed, drop-in cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 2,000 gallons,\u003c\/strong\u003e typically 6 to 12 months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA one-micron pre-filter pad\u003c\/strong\u003e on top catches fine sediment and rust before the water reaches the media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow by design:\u003c\/strong\u003e about 0.3 gallons per minute, so every glass gets real contact time with the media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlip it to extend its life:\u003c\/strong\u003e reverse the cartridge to back-flush the media and stop channeling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eA white, sealed cylinder with the replacement steps printed on its label. One end carries the micron pre-filter pad; a hard white disk and a soft clear inner disk sit at the other end of the housing to hold everything in place. The cartridge drops into the lower half of your faucet mount housing, the upper half threads back on, and the diverter returns to the faucet. The housing, diverter and faucet adapters stay with your system, so a refill is just the cartridge.\u003c\/p\u003e\u003cp\u003eInside, six stages of filtration media are layered so water passes through each in turn.\u003c\/p\u003e\u003ch3\u003eHow a faucet mount filter works\u003c\/h3\u003e\u003ch4\u003eMechanical first, media second\u003c\/h4\u003e\u003cp\u003eWater enters through the one-micron pre-filter pad. That pad strains out fine sediment and rust, so the media below spends its capacity on dissolved contaminants instead of grit. It is also the first thing to check if flow slows down: in areas with more sediment, the pad clogs sooner and can be replaced on its own.\u003c\/p\u003e\u003ch4\u003eContact time is the whole game\u003c\/h4\u003e\u003cp\u003eFiltration media can only treat water it actually touches. A faucet filter has a small cartridge, so Crystal Quest rates the system at about 0.30 gallons per minute at 60 psi and recommends running the cold tap about one third of the way open. Slower flow means longer contact between water and media, and that means better filtration. If the filtered stream ever feels like a trickle compared with your tap, that is the design working, not a fault.\u003c\/p\u003e\u003ch4\u003eWhy you flip it\u003c\/h4\u003e\u003cp\u003eWater takes the path of least resistance. Over months, it can carve a channel through the media and bypass the rest of the bed. Turning the cartridge over reverses the flow, back-flushes the media and puts the whole bed back to work. The system manual suggests rotating it about every three months.\u003c\/p\u003e\u003ch4\u003eWhy cold water only\u003c\/h4\u003e\u003cp\u003eThe cartridge is built for cold water between 40 and 85°F (4.4 to 29.4°C). Hot water is outside its rating, so always switch the diverter to unfiltered flow before you turn on the hot tap.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets (listed for this cartridge):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChlorine taste and odor\u003c\/li\u003e\n\u003cli\u003eVolatile organic compounds (VOCs)\u003c\/li\u003e\n\u003cli\u003eTrihalomethanes (THMs), disinfection byproducts formed when chlorine meets organic matter\u003c\/li\u003e\n\u003cli\u003eHeavy metals\u003c\/li\u003e\n\u003cli\u003eSuspended solids, sediment and rust (the one-micron pad)\u003c\/li\u003e\n\u003cli\u003eBad taste and odor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e total dissolved solids (TDS), fluoride, nitrate or hardness minerals, and it is not for water that is microbiologically unsafe or of unknown quality. For fluoride or TDS, Crystal Quest \u003ca href=\"https:\/\/crystalquest.com\/collections\/under-sink-reverse-osmosis-filtration-systems\"\u003eunder-sink reverse osmosis systems\u003c\/a\u003e are the right tool.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix stages in a filter that fits on your faucet.\u003c\/strong\u003e Each stage adds another way to catch what is in your water before it reaches your glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong life per cartridge.\u003c\/strong\u003e About 2,000 gallons, typically 6 to 12 months, so changes are a twice-a-year job at most for many households.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA.\u003c\/strong\u003e Over 1,000,000 people served since 1994, under ISO 9001 quality management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal help.\u003c\/strong\u003e Call, email or chat with our water filtration team whenever you have a question.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cp\u003eThis cartridge, part number CQE-RC-04046, is the replacement for the \u003ca href=\"https:\/\/crystalquest.com\/products\/faucet-mount-water-filter-system\"\u003eFaucet Mount Water Filter System (6 Stages)\u003c\/a\u003e in both chrome and white. Use it only in the Crystal Quest faucet mount housing; it is not a slot-in for other brands. Single, Pack of 2, Pack of 4 and Pack of 6 all contain this same cartridge.\u003c\/p\u003e\u003cp\u003eWant filtered water at more than one tap, or a higher flow? Crystal Quest \u003ca href=\"https:\/\/crystalquest.com\/collections\/under-sink-water-filters\"\u003eunder-sink water filters\u003c\/a\u003e put multi-stage filtration on a dedicated faucet.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long does a faucet mount cartridge last?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eApproximately 2,000 gallons, typically 6 to 12 months. Replace it sooner if taste, odor or flow changes. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy is the filtered flow slow?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFiltered flow is meant to be slow: the system is rated at about 0.3 gallons per minute so water spends more time in contact with the media. If flow drops far below normal, the manual says the unit may be clogged; change the micron pre-filter pad or replace the cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I run hot water through the filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. The faucet mount filter is for cold water only, within 40 to 85°F. Turn the diverter to unfiltered flow before running hot water.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I flip the cartridge to extend its life?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The manual describes using the cartridge inversely: remove it, move the micron pad to the other end, insert the disks in the bottom end, reinstall it and run water for 3 to 5 minutes. This back-flushes the cartridge and helps prevent channeling.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes a faucet mount filter remove fluoride or TDS?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. This cartridge targets chlorine, VOCs, THMs, heavy metals, suspended solids and taste and odor. Fluoride and total dissolved solids call for reverse osmosis or a dedicated fluoride stage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this cartridge fit another brand's faucet filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. It is made for the Crystal Quest Faucet Mount Water Filter System housing, with its micron pad and end disks. The system itself fits faucets with outside threads directly and faucets with inside threads using the included adapters.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow do I know it is time to replace it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWatch for chlorine taste or smell coming back, or flow that stays slow after you replace the micron pad. Most homes reach the roughly 2,000 gallon mark within 6 to 12 months.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003ePublished cartridge specifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFORMAT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFLOW RATE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCAPACITY\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCQE-RC-04046\u003c\/td\u003e\n\u003ctd\u003eSealed cartridge\u003c\/td\u003e\n\u003ctd\u003e.3 gpm (1.1 lpm)\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,000 gallons (6 to 12 months)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating specification (system manual)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating pressure\u003c\/td\u003e\n\u003ctd\u003e20 to 60 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e40 to 85°F (4.4 to 29.4°C), cold water only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimum service flow\u003c\/td\u003e\n\u003ctd\u003e0.30 gpm at 60 psi (1.1 lpm at 4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and filtration\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStages\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-filter\u003c\/td\u003e\n\u003ctd\u003eOne-micron pre-filter pad (replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduces\u003c\/td\u003e\n\u003ctd\u003eChlorine, VOCs, THMs, heavy metals, suspended solids, bad taste and odor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eTDS, fluoride, nitrate, hardness, microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReversible\u003c\/td\u003e\n\u003ctd\u003eYes, rotate about every three months to back-flush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003ePacks of 2, 4 and 6 (CQE-FM-00502, CQE-FM-00503, CQE-FM-00504) contain the same cartridge.\u003c\/p\u003e\u003cp\u003e*Capacity is an estimate and varies with water condition and consumption. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is and is not included\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003ctd\u003eFaucet mount housing, diverter and adapters (they come with the Faucet Mount Water Filter System)\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"Single","offer_id":67807313100888,"sku":"CQE-RC-04046","price":29.5,"currency_code":"USD","in_stock":true},{"title":"Pack of 2","offer_id":67807313133656,"sku":"CQE-FM-00502","price":57.98,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":67807313166424,"sku":"CQE-FM-00503","price":113.96,"currency_code":"USD","in_stock":true},{"title":"Pack of 6","offer_id":67807313199192,"sku":"CQE-FM-00504","price":167.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/single-faucet-mount-filter-cartridge-crystal-quest-water-filter-cartridges-1263586432_0dd1d5db-8dbc-4530-9c13-3c49eaf1a7a0.webp?v=1792491536"},{"product_id":"nitrate-removal-filter-cartridge","title":"Nitrate Removal Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eNitrate has no color, no smell and no taste.\u003c\/strong\u003e You only find it with a water test. Most nitrate in drinking water comes from septic systems, feedlots and farm fertilizer reaching groundwater, so private wells in rural areas are where it usually shows up. In the body, nitrate is converted to nitrite, which is why the drinking water limit is set at 10 mg\/L measured as nitrogen (45 mg\/L as nitrate).\u003c\/p\u003e\u003cp\u003eThe Crystal Quest Nitrate Removal Filter Cartridge is a dedicated nitrate stage. It is packed with nitrate-selective anion exchange resin, a resin built to grab nitrate even when the water also carries sulfate, the ion that defeats ordinary resins.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets nitrate,\u003c\/strong\u003e the fertilizer, septic and feedlot contaminant of rural wells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrate-selective resin\u003c\/strong\u003e that keeps working on water with moderate to high sulfate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to avoid nitrate dumping,\u003c\/strong\u003e the sudden release that standard resins can suffer when sulfate pushes nitrate back off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo electricity or drain line:\u003c\/strong\u003e it works in a standard filter housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e for countertop, under-sink and whole house housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eInside each cartridge is a bed of small, opaque resin beads held in polyolefin inner and outer wraps and polyethylene netting, closed with polypropylene end caps and sealed with Buna-N gaskets. Every bead is a cross-linked polymer sphere covered in charged exchange sites, and those sites are where the nitrate goes. Each end cap has 1-micron pads behind its openings.\u003c\/p\u003e\u003ch3\u003eHow a nitrate filter cartridge works\u003c\/h3\u003e\u003ch4\u003eIon exchange: chloride out, nitrate in\u003c\/h4\u003e\u003cp\u003eNitrate is a negatively charged ion (an anion), so it cannot be strained out like sediment. The resin is a strong base anion exchanger supplied in the chloride form. As water passes through, nitrate ions attach to the resin's positively charged sites and an equal charge of harmless chloride is released in their place.\u003c\/p\u003e\u003ch4\u003eWhy sulfate matters\u003c\/h4\u003e\u003cp\u003eOrdinary anion resins prefer sulfate over nitrate. On water that carries both, sulfate steadily takes over the sites. Near the end of the run it can push captured nitrate back into the water, so the treated water briefly carries more nitrate than the water coming in. That is called nitrate dumping, and it is the main risk of using the wrong resin for nitrate.\u003c\/p\u003e\u003ch4\u003eWhat makes this resin nitrate-selective\u003c\/h4\u003e\u003cp\u003eNitrate-selective resin uses a more open, macroporous bead and specially chosen exchange groups that favor nitrate over sulfate. It keeps its nitrate capacity when sulfate is moderate to high and leaves more of the sulfate in the water. That also keeps chloride from climbing too high, which would make treated water less pleasant to drink and more corrosive.\u003c\/p\u003e\u003ch4\u003eWhy life varies\u003c\/h4\u003e\u003cp\u003eEvery site that takes up nitrate or another anion is used. Higher nitrate, higher sulfate and higher flow use the bed faster. That is why each size has its own flow and why testing, not a calendar, tells you when the cartridge is spent.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target:\u003c\/strong\u003e nitrate. This is the dedicated nitrate cartridge; its resin is chosen for nitrate first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, hardness, iron, arsenic, fluoride, or chlorine and chemical tastes. A well with nitrate from a septic system or livestock can also carry bacteria, so test for bacteria as well and use this cartridge only on microbiologically safe water.\u003c\/p\u003e\u003ch3\u003eIs it right for my water?\u003c\/h3\u003e\u003cp\u003eStart with a lab test that reports nitrate, sulfate and bacteria. If nitrate is your only concern, this dedicated cartridge gives you the most nitrate resin in the space. If you also want chlorine, chemical and heavy metal reduction from the same stage, the \u003ca href=\"https:\/\/crystalquest.com\/products\/nitrate-multistage-filter-cartridge\"\u003eNitrate Removal + SMART Filter Cartridge\u003c\/a\u003e combines nitrate-selective resin with coconut shell carbon and redox media. For a whole home, talk to us about a nitrate tank system.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe right resin for the job.\u003c\/strong\u003e Nitrate-selective resin, not a general anion resin that can dump nitrate when sulfate is present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA complete nitrate lineup:\u003c\/strong\u003e this dedicated cartridge, the SMART combination and whole house nitrate systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull construction disclosure\u003c\/strong\u003e in the Specifications tab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountertop and under-sink systems\u003c\/strong\u003e that take the 2-7\/8\" x 9-3\/4\" size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole house cartridge systems\u003c\/strong\u003e with slim 20\" or Big Blue housings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04007), 2-7\/8\" x 20\" (CQE-RC-04020), 4-5\/8\" x 9-3\/4\" (CQE-RC-04066) or 4-5\/8\" x 20\" (CQE-RC-04069).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes a nitrate filter cartridge work on well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Well water is where most nitrate problems show up. Test for nitrate, sulfate and bacteria first, and use the cartridge only on microbiologically safe water.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does nitrate-selective resin do differently?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt favors nitrate over sulfate. Standard anion resins let sulfate take over their sites and can release captured nitrate back into the water near the end of a run. Nitrate-selective resin keeps its nitrate capacity when sulfate is present.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the resin add anything to my water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt works by ion exchange, so for each nitrate ion it captures, it releases chloride. Because it is selective, it leaves more of the sulfate alone, which keeps the chloride increase smaller than a general anion resin would cause.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow does this differ from Nitrate Removal + SMART?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis is the dedicated nitrate cartridge, filled with nitrate-selective resin. The SMART combination adds coconut shell carbon and redox media for broader filtration in the same cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace a nitrate filter cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt depends on your nitrate and sulfate levels, flow and water use. Test the treated water regularly and ask Crystal Quest for a service plan for your exact cartridge; a carbon or SMART schedule does not apply.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the actual size on your current cartridge: 2-7\/8\" x 9-3\/4\" fits 2.5\" x 10\" housings, 2-7\/8\" x 20\" fits 2.5\" x 20\", 4-5\/8\" x 9-3\/4\" fits 5\" x 10\" Big Blue and 4-5\/8\" x 20\" fits 5\" x 20\" Big Blue. Each size has its own flow rate.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eNitrate filter cartridge specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge and listed conditions. Media life depends on incoming nitrate, sulfate, flow and usage.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eSIZE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFITS HOUSING\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFLOW RATE\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04007\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04020\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04066\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04069\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/eaglesorb-nitrate-resin\"\u003eEaglesorb Nitrate Removal\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eIon exchange: nitrate is captured and chloride is released\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget\u003c\/td\u003e\n\u003ctd\u003eNitrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSulfate\u003c\/td\u003e\n\u003ctd\u003eResin favors nitrate over sulfate, so nitrate capacity holds up on water with moderate to high sulfate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater quality\u003c\/td\u003e\n\u003ctd\u003eUse only on microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Buna-N Gaskets End Caps\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Pressure: 20 psi (1.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polypropylene End Caps\u003c\/td\u003e\n\u003ctd\u003e• Maximum Operating Pressure: 60 psi (4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polyolefin Inner\/Outer Wraps\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Temperature: 40° F (4° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Polyethylene Netting\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e• Maximum Operating Temperature: 90° F (32° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• End Pads: 1-micron pads behind the end-cap openings\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8\" x 9-3\/4\" \/ Single","offer_id":67807313690712,"sku":"CQE-RC-04007","price":59.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67807313723480,"sku":"CQE-RC-04007-2PK","price":118.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67807313756248,"sku":"CQE-RC-04007-4PK","price":236.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Single","offer_id":67807313789016,"sku":"CQE-RC-04020","price":158.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 2","offer_id":67807313821784,"sku":"CQE-RC-04020-2PK","price":316.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 20\" \/ Pack of 4","offer_id":67807313854552,"sku":"CQE-RC-04020-4PK","price":632.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Single","offer_id":67807313887320,"sku":"CQE-RC-04066","price":164.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 2","offer_id":67807313920088,"sku":"CQE-RC-04066-2PK","price":328.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 4","offer_id":67807313952856,"sku":"CQE-RC-04066-4PK","price":656.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Single","offer_id":67807313985624,"sku":"CQE-RC-04069","price":241.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 2","offer_id":67807314018392,"sku":"CQE-RC-04069-2PK","price":482.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 4","offer_id":67807314051160,"sku":"CQE-RC-04069-4PK","price":964.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/nitrate-removal-filter-cartridge-crystal-quest-water-filter-cartridges-1263260619.webp?v=1792491538"},{"product_id":"iron-filter-cartridge","title":"Iron Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eOrange rings in the toilet bowl. Rusty streaks in the tub. Orange stains on laundry and water with a metallic taste.\u003c\/strong\u003e On well water, the usual cause is iron. Most groundwater contains some iron, which naturally leaches from rocks and soil.\u003c\/p\u003e\u003cp\u003eThe Crystal Quest Iron Filter Cartridge is a drop-in iron filter for well water and other groundwater. It is packed with Crystal Quest's own MetalX iron-removal media, then finished with a spun polypropylene post-filter, so it turns dissolved iron into particles and keeps them inside the cartridge instead of on your fixtures.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFewer orange and brown stains\u003c\/strong\u003e on sinks, tubs, toilets and laundry, and better-tasting water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets iron first,\u003c\/strong\u003e with hydrogen sulfide and manganese also named on Crystal Quest's label and system literature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo backwashing, drain line or electricity:\u003c\/strong\u003e it works in a standard filter housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity with conditions:\u003c\/strong\u003e 2,500 to 10,000 gallons by size, rated at 3 ppm iron and under 100 ppm hardness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e sold by actual measurements for slim and Big Blue housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eThe rigid polystyrene shell is filled with granular media rather than a carbon block. Inside is the MetalX iron media, held in place by a polypropylene expansion pad and followed by a spun polypropylene post-filter. Polypropylene end caps and a Buna-N top gasket seal it in the housing. The label shows the flow direction, part numbers, pressure range and the replacement steps. Each end cap has 1-micron pads behind its openings.\u003c\/p\u003e\u003ch3\u003eHow an iron filter cartridge works\u003c\/h3\u003e\u003ch4\u003eWhy well water stains\u003c\/h4\u003e\u003cp\u003eGroundwater that is low in oxygen holds iron dissolved and invisible. That is why well water can come out of the tap clear, then turn orange or leave rusty stains once it meets air. Dissolved iron is most common in groundwater with a pH below 7.0.\u003c\/p\u003e\u003ch4\u003eOxidize, then capture\u003c\/h4\u003e\u003cp\u003eMetalX iron media works as an oxidizing filter media. It promotes the reaction that turns dissolved (ferrous) iron into solid (ferric) iron particles. The media bed and the spun polypropylene post-filter then hold those particles inside the cartridge, so they never reach your fixtures.\u003c\/p\u003e\u003ch4\u003eWhy capacity has conditions\u003c\/h4\u003e\u003cp\u003eEvery gram of iron the cartridge captures uses up part of its capacity. That is why Crystal Quest rates each size at a stated condition, 3 ppm iron and under 100 ppm hardness, instead of quoting a gallon number with no context. Higher iron uses capacity faster; lower iron stretches it.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target:\u003c\/strong\u003e iron, including the orange and brown staining, rusty color and metallic taste it causes. Iron causes rusty color, a metallic taste and reddish or orange staining at levels as low as 0.3 mg\/L.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso targeted\u003c\/strong\u003e (named on Crystal Quest's cartridge label and Metal Removal system literature; capacity is rated for iron only):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHydrogen sulfide, the cause of a rotten-egg smell\u003c\/li\u003e\n\u003cli\u003eManganese, which leaves black or brown stains and a bitter metallic taste (noticeable at levels as low as 0.05 mg\/L)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e iron bacteria (their slime clogs oxidizing media), bacteria and viruses, hardness, nitrate, arsenic or fluoride. Very high iron or a strong sulfur smell calls for a backwashing tank system such as the \u003ca href=\"https:\/\/crystalquest.com\/products\/iron-whole-house-water-filter\"\u003eMetal Removal Whole House Water Filter\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur own media.\u003c\/strong\u003e MetalX is Crystal Quest's iron-removal media, and this cartridge is the iron stage of Crystal Quest's Metal Removal cartridge systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumbers you can plan with.\u003c\/strong\u003e Every capacity figure states the iron and hardness levels behind it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull construction disclosure,\u003c\/strong\u003e from media to post-filter to gasket, listed in the Specifications tab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Removal whole house cartridge systems (Mini, Compact and Big Blue):\u003c\/strong\u003e the iron cartridge is the first stage. Double systems add SMART after it; triple systems add SMART and then a carbon block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountertop and under-sink housings\u003c\/strong\u003e that take the 2-7\/8\" x 9-3\/4\" size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04010), 2-7\/8\" x 20\" (CQE-RC-04083), 4-5\/8\" x 9-3\/4\" (CQE-RC-04072) or 4-5\/8\" x 20\" (CQE-RC-04077).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill an iron filter cartridge stop orange stains?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt reduces the iron that causes orange and brown staining on sinks, tubs, toilets and laundry. Existing stains still need cleaning once, but new staining should drop while the cartridge has capacity left.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow much iron can it handle?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCapacity is rated at 3 ppm iron and under 100 ppm hardness: 2,500 gallons for the 2-7\/8\" x 9-3\/4\", 5,000 for the 2-7\/8\" x 20\" and 4-5\/8\" x 9-3\/4\", and 10,000 for the 4-5\/8\" x 20\". If your water test shows much more iron, talk to us about a backwashing Metal Removal tank system.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it remove manganese and the rotten-egg smell?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCrystal Quest's label and Metal Removal system literature name hydrogen sulfide and manganese alongside iron. The gallon rating is for iron, so heavy sulfur or manganese loads shorten cartridge life and may need a tank system.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDo I need to backwash an iron filter cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. It works in a standard housing with no backwash, drain line or electricity. When the media is used up, replace the cartridge.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this a good iron filter cartridge for well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Dissolved iron is most common in groundwater, which is why most iron problems show up on private wells. Start with a water test so you know your iron level and can pick the right size.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the actual size on your current cartridge: 2-7\/8\" x 9-3\/4\" fits 2.5\" x 10\" housings, 2-7\/8\" x 20\" fits 2.5\" x 20\", 4-5\/8\" x 9-3\/4\" fits 5\" x 10\" Big Blue and 4-5\/8\" x 20\" fits 5\" x 20\" Big Blue. Each size has its own flow and capacity.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eIron filter cartridge specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge and listed conditions. Capacity is an estimate that depends on incoming water contaminants and usage.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eSIZE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFITS HOUSING\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFLOW RATE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eCAPACITY\u003cbr\u003e(\u0026lt;100 PPM HARDNESS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04010\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2,500 gallons (3 ppm)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04083\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5,000 gallons (3 ppm)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04072\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5,000 gallons (3 ppm)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04077\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e10,000 gallons (3 ppm)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/products\/metal-removal-media\"\u003eMetalX Metal Removal Media\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eOxidation and filtration: dissolved iron is converted to particles and held in the media bed and post-filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTargets\u003c\/td\u003e\n\u003ctd\u003eIron (rated); hydrogen sulfide and manganese (named on label and system literature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity conditions\u003c\/td\u003e\n\u003ctd\u003e3 ppm iron, under 100 ppm hardness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegeneration\u003c\/td\u003e\n\u003ctd\u003eNone; no backwash. Replace when spent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOperating conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure range\u003c\/td\u003e\n\u003ctd\u003e30 to 60 psi (2.1 to 4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater quality\u003c\/td\u003e\n\u003ctd\u003eUse only on microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBefore first use\u003c\/td\u003e\n\u003ctd\u003eRun water 5 to 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\" colspan=\"4\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Pads\u003c\/td\u003e\n\u003ctd\u003e1-micron pads behind the end-cap openings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Filter\u003c\/td\u003e\n\u003ctd\u003eSpun Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Casing\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Pad\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasket\u003c\/td\u003e\n\u003ctd\u003eBuna-N (Top)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Rating\u003c\/td\u003e\n\u003ctd\u003e40°F to 145°F (4.4°C to 62.8°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Capacity is an estimate at 3 ppm iron and under 100 ppm hardness. Actual life depends on incoming water contaminants and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8\" x 9-3\/4\" \/ Single","offer_id":67807314444376,"sku":"CQE-RC-04010","price":49.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 2","offer_id":67807314477144,"sku":"CQE-RC-04010-2PK","price":98.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8\" x 9-3\/4\" \/ Pack of 4","offer_id":67807314509912,"sku":"CQE-RC-04010-4PK","price":196.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Single","offer_id":67807314542680,"sku":"CQE-RC-04083","price":129.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 2","offer_id":67807314575448,"sku":"CQE-RC-04083-2PK","price":258.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 4","offer_id":67807314608216,"sku":"CQE-RC-04083-4PK","price":516.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Single","offer_id":67807314640984,"sku":"CQE-RC-04072","price":134.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 2","offer_id":67807314673752,"sku":"CQE-RC-04072-2PK","price":268.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 4","offer_id":67807314706520,"sku":"CQE-RC-04072-4PK","price":536.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Single","offer_id":67807314739288,"sku":"CQE-RC-04077","price":189.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 2","offer_id":67807314772056,"sku":"CQE-RC-04077-2PK","price":378.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 20” \/ Pack of 4","offer_id":67807314804824,"sku":"CQE-RC-04077-4PK","price":756.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/iron-filter-cartridge-crystal-quest-water-filter-cartridges-1263260641.webp?v=1792491540"},{"product_id":"inline-sediment-filter-cartridge","title":"Inline Sediment Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eGrit in the bottom of the glass. Ice that comes out cloudy. A refrigerator dispenser that slows to a trickle.\u003c\/strong\u003e Sand, silt and rust flakes ride along every water line, and on the way they clog the finer filter stages, valves and dispensers downstream. An inline sediment filter stops them first.\u003c\/p\u003e\u003cp\u003eThis inline sediment filter cartridge is plumbed directly into the water line. It captures extra-fine dirt, sand, silt, rust particles, scale particles and asbestos, with high flow and dirt-holding capacity, at a service flow of 0.5 GPM. Choose the JACO or Quick Connect fitting to match the cartridge you are replacing, and use it on refrigerator and ice maker lines, inline filter setups and point-of-use reverse osmosis systems.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStops the grit first:\u003c\/strong\u003e captures dirt, sand, silt, rust and scale particles before they reach your carbon, UF or RO stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects what comes after:\u003c\/strong\u003e keeps fine particles off carbon and membrane surfaces so those stages keep doing their own jobs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo connection styles:\u003c\/strong\u003e JACO or Quick Connect, the same inline sediment cartridge with a 0.5 GPM service flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for the water line:\u003c\/strong\u003e rated for 20 to 60 psi and 40 to 90°F cold water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service life:\u003c\/strong\u003e typically 12 to 24 months, about 18 months for most homes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eThe photos show a sealed inline cartridge: the filter media is held inside polyolefin inner and outer wraps, closed with polypropylene end caps, and sealed with Buna-N gaskets at the end caps. There is no housing to open and no sump to clean. The whole cartridge is the replaceable part, connected to the line at each end with the fitting you choose.\u003c\/p\u003e\u003ch3\u003eHow an inline sediment filter works\u003c\/h3\u003e\u003ch4\u003eMechanical filtration, not chemistry\u003c\/h4\u003e\u003cp\u003eA sediment filter works like a very fine strainer. Water flows through the media and particles that are too large to pass are held back, on the surface and through the depth of the media. Nothing is added to the water and nothing dissolved is taken out. The job is purely physical: keep suspended particles out of everything that follows.\u003c\/p\u003e\u003ch4\u003eWhy sediment always goes first\u003c\/h4\u003e\u003cp\u003eEvery finer stage in a water system is easier to foul than it is to replace. Silt that coats carbon granules hides the pore surface the carbon needs for adsorption. Fine particles that reach an ultrafiltration or reverse osmosis membrane settle on it and cut production. A sediment stage at the front takes that load so the carbon, UF and RO stages behind it can spend their capacity on the contaminants they were chosen to treat.\u003c\/p\u003e\u003ch4\u003eDirt-holding capacity and flow\u003c\/h4\u003e\u003cp\u003eAs the cartridge works, captured particles build up in the media. That is the cartridge doing its job, and it is also how it tells you when it is done: flow and pressure from the tap, dispenser or ice maker drop as the media fills. A heavy sediment load fills it sooner; clean city water lets it run longer.\u003c\/p\u003e\u003ch4\u003eWhy fine particles matter on an appliance line\u003c\/h4\u003e\u003cp\u003eRefrigerator dispensers, ice makers and cooler valves have small passages and moving seals. Grit and rust flakes can lodge in them, wear them and leave cloudy water and ice. A sediment stage on the supply line keeps that material out of the appliance in the first place.\u003c\/p\u003e\n\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary targets\u003c\/strong\u003e (suspended particles):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExtra-fine dirt, sand and silt\u003c\/li\u003e\n\u003cli\u003eRust particles\u003c\/li\u003e\n\u003cli\u003eLoose scale particles\u003c\/li\u003e\n\u003cli\u003eAsbestos\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAlso reduced:\u003c\/strong\u003e cloudy water and cloudy ice when the cloudiness comes from suspended particles (turbidity).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e anything dissolved in the water. That includes chlorine and chlorine taste and odor, volatile organic compounds, pesticides, nitrate, fluoride, lead and other dissolved metals, hardness, total dissolved solids, and bacteria or viruses. Dissolved iron that stains but has not yet formed rust particles also passes through. Pair this stage with the treatment your water needs, such as an \u003ca href=\"https:\/\/crystalquest.com\/products\/inline-granulated-activated-coconut-shell-carbon-gac-filter-cartridge\"\u003eInline GAC Filter Cartridge\u003c\/a\u003e for chlorine taste and odor and organic chemicals, or reverse osmosis for dissolved solids.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe sediment stage our own systems use.\u003c\/strong\u003e This part number, CQE-RC-04037, is the inline sediment cartridge Crystal Quest specifies as the first stage in its floor-model water coolers, so you get the stage our engineers designed around.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo fittings, one cartridge.\u003c\/strong\u003e Order JACO or Quick Connect to match your line instead of adding adapters that create more joints to leak.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished operating limits.\u003c\/strong\u003e Pressure, temperature and flow are printed on this page, so you can check your line before you install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management and has made water filtration in the USA for over 30 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime support.\u003c\/strong\u003e Call, email or chat with our water filtration team whenever you have a question.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerator and ice maker lines:\u003c\/strong\u003e on the cold water supply ahead of the appliance, usually ahead of an inline carbon stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline filter setups:\u003c\/strong\u003e the first cartridge in line, ahead of carbon, SMART or a specialty inline cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint-of-use reverse osmosis:\u003c\/strong\u003e as a pre-filter that keeps particles off the membrane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWell water and older plumbing:\u003c\/strong\u003e anywhere sand, silt or rust flakes show up in the water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Quest floor-model water coolers:\u003c\/strong\u003e cartridge #1 (sediment) in coolers with ultrafiltration, including the TURBO, SHARP and Hybrid Ultrafiltration bottleless coolers (JACO fitting)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eJACO or Quick Connect: which do I need?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the connections on the cartridge you are replacing. Both are the same inline sediment cartridge with different connections, each with a 0.5 GPM service flow. Check the part number on the old cartridge or in your order history: CQE-RC-04037 is JACO and CQE-RC-04037Q is Quick Connect.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does an inline sediment filter remove?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eSuspended particles: extra-fine dirt, sand, silt, rust particles, scale particles and asbestos. It does not remove anything dissolved, such as chlorine, lead, nitrate or hardness.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill it fix chlorine taste or a bad smell?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Taste and odor come from dissolved chemicals, which pass through a sediment filter. Add an inline carbon stage, such as the Inline GAC Filter Cartridge, after the sediment cartridge for that job.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace an inline sediment filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTypically every 12 to 24 months, about 18 months for most homes, and sooner if flow or pressure drops. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere does it go in the line?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFirst, on the incoming cold water, ahead of carbon, SMART, specialty cartridges or an RO membrane. Particles are removed before they can foul the finer stages.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this the same as the water cooler sediment cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt carries the same part number, CQE-RC-04037, as the sediment stage in Crystal Quest floor-model coolers. This listing adds the choice of JACO or Quick Connect fittings. Cooler owners can order from the cooler listing, which includes cooler servicing steps.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDo I need a leak detector with an inline filter?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCrystal Quest recommends a leak detector or flood-prevention valve on any inline installation. Inline cartridges sit on a pressurized line, often behind a refrigerator or inside a cabinet, where a slow leak can go unnoticed.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eInline sediment filter specifications\u003c\/h3\u003e\u003cp\u003eBoth fitting options share the same published ratings.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eITEM NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eFITTING\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eFLOW RATE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eTYPICAL REPLACEMENT\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04037\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eJACO\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04037Q\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003eQuick Connect\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e12 to 24 months*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMedia and filtration\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration type\u003c\/td\u003e\n\u003ctd\u003eMechanical sediment filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaptures\u003c\/td\u003e\n\u003ctd\u003eExtra-fine dirt, sand, silt, rust particles, scale particles, asbestos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot designed for\u003c\/td\u003e\n\u003ctd\u003eDissolved contaminants (chlorine, VOCs, pesticides, nitrate, fluoride, dissolved metals, hardness, TDS), microbiologically unsafe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOperating Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum operating pressure\u003c\/td\u003e\n\u003ctd\u003e20 psi (1.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum operating pressure\u003c\/td\u003e\n\u003ctd\u003e60 psi (4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum operating temperature\u003c\/td\u003e\n\u003ctd\u003e40° F (4° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum operating temperature\u003c\/td\u003e\n\u003ctd\u003e90° F (32° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater quality\u003c\/td\u003e\n\u003ctd\u003eUse only on microbiologically safe water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eLeak detector or flood-prevention valve recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolypropylene End Caps\u003c\/li\u003e\n\u003cli\u003ePolyolefin Inner\/Outer Wraps\u003c\/li\u003e\n\u003cli\u003eBuna-N Gaskets End Caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Typically 12 to 24 months, about 18 months for most homes. Replace sooner if flow or pressure drops. Actual life depends on feed water quality, system configuration and usage.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"JACO \/ Single","offer_id":67807314903128,"sku":"CQE-RC-04037","price":59.0,"currency_code":"USD","in_stock":true},{"title":"JACO \/ Pack of 2","offer_id":67807314935896,"sku":"CQE-RC-04037-2PK","price":118.0,"currency_code":"USD","in_stock":true},{"title":"JACO \/ Pack of 4","offer_id":67807314968664,"sku":"CQE-RC-04037-4PK","price":236.0,"currency_code":"USD","in_stock":true},{"title":"Quick Connect \/ Single","offer_id":67807315001432,"sku":"CQE-RC-04037Q","price":59.0,"currency_code":"USD","in_stock":true},{"title":"Quick Connect \/ Pack of 2","offer_id":67807315034200,"sku":"CQE-RC-04037Q-2PK","price":118.0,"currency_code":"USD","in_stock":true},{"title":"Quick Connect \/ Pack of 4","offer_id":67807315066968,"sku":"CQE-RC-04037Q-4PK","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/jaco-single-inline-sediment-filter-cartridge-crystal-quest-water-filter-cartridges-1263598135.webp?v=1792491541"},{"product_id":"calcium-gac-fluoride-reduction-filter-cartridge","title":"Calcium GAC Fluoride Reduction Filter Cartridge","description":"\u003cp\u003e\u003cstrong\u003eFluoride reaches tap water two ways: many cities add it, and it also occurs naturally from the erosion of mineral deposits.\u003c\/strong\u003e If you want less of it in the water your family drinks, the media inside the filter is what matters most.\u003c\/p\u003e\u003cp\u003eThis bone char fluoride filter cartridge is filled with Crystal Quest Calcium GAC: black granular bone char made by calcining cattle bones until only a mineral framework of hydroxyapatite and a carbon surface remain. That mineral framework is what captures fluoride.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargets fluoride\u003c\/strong\u003e in municipal water, with capacity stated for each size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal bone char:\u003c\/strong\u003e 70 to 76% hydroxyapatite and 9 to 11% carbon, per Crystal Quest's media data sheet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA natural mineral reaction\u003c\/strong\u003e locks fluoride into the media as fluorapatite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonus adsorption:\u003c\/strong\u003e the carbon and mineral surfaces also adsorb some heavy metals, such as lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour sizes, 0.5 to 6 GPM,\u003c\/strong\u003e for countertop, under-sink and whole house housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you are looking at\u003c\/h3\u003e\u003cp\u003eEach cartridge is a sealed shell packed with Calcium GAC granules, closed with polypropylene end caps and Buna-N gaskets. The label shows the flow direction, the part number for each size and the replacement steps. The granules themselves are black, like charcoal. Each end cap has 1-micron pads behind its openings.\u003c\/p\u003e\u003ch3\u003eHow bone char removes fluoride\u003c\/h3\u003e\u003ch4\u003eThe chemistry: a swap inside the crystal\u003c\/h4\u003e\u003cp\u003eHydroxyapatite holds hydroxide (OH) groups in its crystal structure. Fluoride carries the same charge and is almost the same size, so it can take the hydroxide's place. The result is fluorapatite, a stable, insoluble mineral that stays locked in the media instead of returning to your water. At higher fluoride levels, some fluoride also precipitates as calcium fluoride.\u003c\/p\u003e\u003ch4\u003eA carbon surface, too\u003c\/h4\u003e\u003cp\u003eUnlike aluminum oxide fluoride media, bone char also carries carbon. Calcium GAC has a total surface area of about 200 m²\/g, about 50 m²\/g of it carbon. Bone char has proven itself in purifying sugar syrups, and in your water its carbon surface adds adsorption of some dissolved organic and colored compounds.\u003c\/p\u003e\u003ch4\u003eWhy pH and contact time matter\u003c\/h4\u003e\u003cp\u003eBone char takes up the most fluoride in slightly acidic water, near pH 6, and works less efficiently as pH rises. Fluoride uptake is also gradual, so contact time matters: slower flow gives the media more time to work, which is why each size has its own rated flow.\u003c\/p\u003e\u003ch3\u003eWhat it reduces\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePrimary target (printed on the cartridge label):\u003c\/strong\u003e fluoride, specifically inorganic fluoride in municipal water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso adsorbed by bone char\u003c\/strong\u003e (a capability of the media, not a separate tested rating for this cartridge):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy metals such as lead, which Crystal Quest's media data sheet lists among bone char's strengths\u003c\/li\u003e\n\u003cli\u003eSome dissolved organic and colored compounds, through its carbon surface\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot designed to treat:\u003c\/strong\u003e bacteria and viruses, nitrate, hardness, or chlorine and chemical tastes as a dedicated stage. For those, Crystal Quest pairs it with a \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge\"\u003eSMART Filter Cartridge\u003c\/a\u003e and other stages.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it right for my water?\u003c\/strong\u003e It is built for inorganic fluoride in municipal water. If your fluoride is organic or comes from a well or another natural source, talk to a Crystal Quest specialist first. Capacity is rated at hardness below 100 ppm. Bone char is animal-derived; if you prefer a non-animal media, choose the \u003ca href=\"https:\/\/crystalquest.com\/products\/aluminum-oxide-fluoride-filter-cartridge\"\u003eAluminum Oxide Fluoride Reduction Filter Cartridge\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Crystal Quest\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOur default fluoride media.\u003c\/strong\u003e Calcium GAC is the standard fluoride cartridge media across Crystal Quest's cartridge systems. The \u003ca href=\"https:\/\/crystalquest.com\/products\/aluminum-oxide-fluoride-filter-cartridge\"\u003eAluminum Oxide Fluoride Reduction Filter Cartridge\u003c\/a\u003e (activated alumina) is an interchangeable alternative for people who prefer it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA published media spec.\u003c\/strong\u003e Hydroxyapatite and carbon content, surface area, pore structure and hardness are listed in the Specifications tab, from Crystal Quest's own data sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear scope.\u003c\/strong\u003e We tell you the water it is built for and the conditions behind every capacity figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 1,000,000 people served since 1994.\u003c\/strong\u003e Crystal Quest builds under ISO 9001 quality management, has made water filtration in the USA for over 30 years and offers lifetime support by phone, email or chat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle specialty systems:\u003c\/strong\u003e the fluoride stage on its own\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble specialty systems:\u003c\/strong\u003e after a SMART cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple specialty systems:\u003c\/strong\u003e last stage, after a carbon block and SMART\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOnly have one housing? The \u003ca href=\"https:\/\/crystalquest.com\/products\/smart-calcium-gac-fluoride-reduction-cartridge\"\u003eSMART + Calcium GAC Fluoride Reduction Cartridge\u003c\/a\u003e combines both in one cartridge. Choose the size printed on your current cartridge or in your order history: 2-7\/8\" x 9-3\/4\" (CQE-RC-04126), 2-7\/8\" x 20\" (CQE-RC-04127), 4-5\/8\" x 9-3\/4\" (CQE-RC-04128) or 4-5\/8\" x 20\" (CQE-RC-04129).\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"cq-product-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes bone char remove fluoride from water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Fluoride swaps into the hydroxyapatite in bone char and forms fluorapatite, a stable mineral that stays in the media. How much it removes depends on your fluoride level, pH, flow and how much capacity remains, so test your water to see your results.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs Calcium GAC the same as bone char?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Calcium GAC is Crystal Quest's name for its bone char media: black granular bone char made by calcining cattle bones, mostly hydroxyapatite with a carbon surface. It is a different material from coconut shell carbon.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use it on well water?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt is built for inorganic fluoride in municipal water. For fluoride from a well or another natural source, or organic fluoride, talk to Crystal Quest first so we can recommend the right treatment.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eBone char or aluminum oxide: which fluoride cartridge should I choose?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCalcium GAC (bone char) is Crystal Quest's standard fluoride cartridge media. Aluminum oxide is the alternative, and the right pick if you prefer a media that is not animal-derived. Keep the media your system specifies unless you are changing it on purpose.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I replace a fluoride filter cartridge?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt depends on your fluoride level, water use and flow. Test the treated water and replace when fluoride rises. The capacity figures in the Specifications tab are estimates at hardness below 100 ppm.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs bone char vegan?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. Bone char is made from cattle bone. Choose the Aluminum Oxide Fluoride Reduction Filter Cartridge for a non-animal fluoride media.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich size fits my housing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMatch the actual size on your current cartridge: 2-7\/8\" x 9-3\/4\" fits 2.5\" x 10\" housings, 2-7\/8\" x 20\" fits 2.5\" x 20\", 4-5\/8\" x 9-3\/4\" fits 5\" x 10\" Big Blue and 4-5\/8\" x 20\" fits 5\" x 20\" Big Blue.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n###\n\u003ch3\u003eCalcium GAC fluoride cartridge specifications\u003c\/h3\u003e\u003cp\u003ePublished ratings apply to the selected cartridge and listed conditions. Capacity is an estimate that depends on incoming water contaminants and usage.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eSIZE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFITS HOUSING\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cb\u003eFLOW RATE\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\u003cstrong\u003eCAPACITY\u003cbr\u003e(\u0026lt;100 PPM HARDNESS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04126\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 10\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e.5 gpm (1.9 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4,500 ppm Fluoride*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04127\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2-7\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5\" x 20\"\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e2.5 gpm (9.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e9,000 ppm Fluoride*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04128\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 9-3\/4”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 10\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e3 gpm (11.4 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e9,000 ppm Fluoride*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003eCQE-RC-04129\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e4-5\/8” x 20”\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e5\" x 20\" Big Blue\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e6 gpm (22.7 lpm)\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e15,000 ppm Fluoride*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCalcium GAC media (Crystal Quest data sheet)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eBlack granular bone char, made by calcining cattle bones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTricalcium phosphate (hydroxyapatite)\u003c\/td\u003e\n\u003ctd\u003e70% to 76%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon content\u003c\/td\u003e\n\u003ctd\u003e9% to 11%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalcium carbonate\u003c\/td\u003e\n\u003ctd\u003e7% to 9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface area (BET N₂)\u003c\/td\u003e\n\u003ctd\u003e200 m²\/g total; 50 m²\/g carbon surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore size distribution\u003c\/td\u003e\n\u003ctd\u003e7.5 to 60,000 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore volume\u003c\/td\u003e\n\u003ctd\u003e0.225 cm³\/g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness number\u003c\/td\u003e\n\u003ctd\u003e80 minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcid soluble ash\u003c\/td\u003e\n\u003ctd\u003e3% maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIron\u003c\/td\u003e\n\u003ctd\u003eLess than 0.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia pH\u003c\/td\u003e\n\u003ctd\u003e8 to 10 typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk density\u003c\/td\u003e\n\u003ctd\u003e40 lb\/ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment method\u003c\/td\u003e\n\u003ctd\u003eIon exchange and precipitation on hydroxyapatite (fluoride forms fluorapatite), plus carbon adsorption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eInorganic fluoride in municipal water; consult Crystal Quest for well or natural sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003eOperating Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polypropylene End Caps\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Pressure: 20 psi (1.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Polyolefin Inner\/Outer Wraps\u003c\/td\u003e\n\u003ctd\u003e• Maximum Operating Pressure: 60 psi (4.1 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Polyethylene Netting\u003c\/td\u003e\n\u003ctd\u003e• Minimum Operating Temperature: 40° F (4° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• Buna-N Gaskets End Caps\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e• Maximum Operating Temperature: 90° F (32° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e• End Pads: 1-micron pads behind the end-cap openings\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Capacity is an estimate only and is dependent on influent water contaminants and filter usage. Rated at hardness below 100 ppm.\u003c\/p\u003e\n\u003cp\u003e*Cartridge color is subject to change without notice.\u003c\/p\u003e\n\u003cp\u003e*Use only on water that is microbiologically safe. Run water 5 to 10 minutes before first use.\u003c\/p\u003e\n","brand":"Crystal Quest Water Filters","offers":[{"title":"2-7\/8” x 9-3\/4” \/ Single","offer_id":67810393686104,"sku":"CQE-RC-04126","price":69.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 2","offer_id":67810393718872,"sku":"CQE-RC-04126-2PK","price":138.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 9-3\/4” \/ Pack of 4","offer_id":67810393751640,"sku":"CQE-RC-04126-4PK","price":276.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Single","offer_id":67810393784408,"sku":"CQE-RC-04127","price":183.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 2","offer_id":67810393817176,"sku":"CQE-RC-04127-2PK","price":366.0,"currency_code":"USD","in_stock":true},{"title":"2-7\/8” x 20” \/ Pack of 4","offer_id":67810393849944,"sku":"CQE-RC-04127-4PK","price":732.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Single","offer_id":67810393882712,"sku":"CQE-RC-04128","price":194.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 2","offer_id":67810393915480,"sku":"CQE-RC-04128-2PK","price":388.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8” x 9-3\/4” \/ Pack of 4","offer_id":67810393948248,"sku":"CQE-RC-04128-4PK","price":776.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Single","offer_id":67810393981016,"sku":"CQE-RC-04129","price":276.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 2","offer_id":67810394013784,"sku":"CQE-RC-04129-2PK","price":552.0,"currency_code":"USD","in_stock":true},{"title":"4-5\/8\" x 20\" \/ Pack of 4","offer_id":67810394046552,"sku":"CQE-RC-04129-4PK","price":1104.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/calcium-gac-fluoride-reduction-filter-cartridge-crystal-quest-water-filter-cartridges-1263260701.webp?v=1792508989"},{"product_id":"nitrate-removal-smart-refrigerator-in-line-water-filter-system","title":"Nitrate Removal + SMART Refrigerator \/ In-line Water Filter System","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eCrystal Quest® Nitrate Removal + SMART Refrigerator \/ In-line Water Filter System is designed for use on refrigerators with ice-makers and\/or water through the door. It may be used with water fountains, water coolers, commercial coffee makers and ice machines as well. High-pressure quick-connect fittings can be used on either 1\/4\" o.d. copper or plastic tubing. Can be manufactured with 3\/8\" which would require an additional conversion package to be ordered.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImportant Note: The cartridge(s) in this system require manual salinity regeneration. The media must be recharged in order to maintain optimum performance. If the media is not regenerated, then the media will exhaust and result in a permeate of 0. The cycle of regeneration will vary based on the influent level of contaminants. The regeneration process should be done every 20 to 30 days depending on level of nitrate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe process of regeneration involves dissolving salt in water (2-3 cups of salt for every 3-4 cups of water) stir well and soak (you may want to use something to hold the cartridge down) the cartridge for 1-2 hours, then soak the cartridge in tap water for an additional 1-2 hours, rinse with the tap running tap water and reinstall the cartridge. Regeneration is not required before its first use even if the cartridge has been unopened for a period of time.  \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains a special nitrate-selective resin. Nitrate reduction is 90% to 95% and breakthrough is not affected by sulfate levels. The capacity is 3000 ppm of nitrates as CaCO3. To determine capacity, first, calculate the ppm of nitrates as CaCO3, then divide that number into 3000 to get the gallons. This cartridge can be regenerated using sodium chloride brine. Click here for product data\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIt also contains 2-one micron filter pads, ERA-6500, ERA-9500 and coconut shell GAC. Our special house blend of 2 types of coconut-shell GAC (including Catalytic) with 2 types of Eagle Redox Alloys® (9500 \u0026amp; 6500) \u0026amp; anion exchange resin. This blend effectively reduces \u0026amp; removes heavy metals, chlorine \u0026amp; chloramine, pesticides \u0026amp; herbicides, pharmaceutical by-products \u0026amp; other inorganic substances such as petroleum byproducts. \u003c\/span\u003e\u003cspan\u003eCeramic and Tourmaline balls to enhance the water and maintain a more alkaline pH. \u003c\/span\u003e\u003cspan\u003eTo read about how GAC's work, click \u003c\/span\u003e\u003ca href=\"https:\/\/crystalquest.com\/pages\/how-gac-works\" data-auth=\"NotApplicable\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e. To read about the ERA® Oxidation\/Reduction Process, click \u003c\/span\u003e\u003ca href=\"https:\/\/crystalquest.com\/pages\/oxidation-reduction-process\" data-auth=\"NotApplicable\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"USGS map chart of predicted nitrate in shallow US groundwater, with scattered hot spots above 10 milligrams per liter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/nitrate_shallow_gw_480x480.png?v=1603757995\" data-mce-fragment=\"1\" data-mce-selected=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/nitrate_shallow_gw_480x480.png?v=1603757995\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 5\"L x 14\"H (10\"+4\" to change cartridge) x 5\"W\u003c\/li\u003e\n\u003cli\u003eWeight: 6 lbs\u003c\/li\u003e\n\u003cli\u003eSuggested flow rate: 0.3-0.5 or less gallon per minute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\" title=\"“Inline\"\u003e Inline-Water-Filter-Manual.pdf \u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Default Title","offer_id":67810394079320,"sku":"CQE-RF-00707","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/nitrate-removal-smart-refrigerator-in-line-water-filter-system-crystal-quest-inline-water-filters-16335706062941.jpg?v=1792508990"},{"product_id":"arsenic-removal-refrigerator-in-line-water-filter-system","title":"Arsenic Removal Refrigerator \/ In-line Water Filter System","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eArsenic Removal Refrigerator \/ In-line Water Filter System is designed for use on refrigerators with ice-makers and\/or water through the door. It may be used with water fountains, water coolers, commercial coffee makers and ice machines as well. High-pressure quick-connect fittings can be used on either 1\/4\" o.d. copper or plastic tubing. Can be manufactured with 3\/8\" which would require additional conversion package to be ordered. \u003cbr\u003e \u003cbr\u003eContains an Arsenic-selective resin cartridge designed specifically for reducing arsenic. Capacity: 1000 gallons, depends on the arsenic type \u0026amp; ppb of influent water.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/CountyMapForCommunication_600x600.png?v=1599439800\" alt=\"US county map of estimated population with arsenic over 10 µg\/L, highest in parts of the West, Great Lakes and New England\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eMin Operating Pressure: 20 psi (pounds per sq. in.) \u003cbr\u003eMax Operating Pressure: 60 psi (pounds per sq. in.) \u003cbr\u003eMin Operating Temperature: 40 degrees F \u003cbr\u003eMax Operating Temperature: 90 degrees F \u003cbr\u003eMax Flow Rate: 0.3-0.5 gallons per minute\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 5\"L x 14\"H (10\"+4\" to change cartridge) x 5\"W\u003c\/li\u003e\n\u003cli\u003eWeight: 6 lbs.\u003c\/li\u003e\n\u003cli\u003eSuggested flow rate: 0.3-0.5 or less gallon per minute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch3\u003eReplacement Cartridges\u003c\/h3\u003e\n\u003cdiv class=\"tg-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArsenic Filter Cartridge (2-7\/8“x9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/arsenic-removal-filter-cartridge?variant=20985389447\" style=\"text-decoration: underline;\" target=\"_blank\"\u003eCQE-RC-04008\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\" title=\"“Inline\"\u003eInline-Water-Filter-Manual.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Default Title","offer_id":67810394112088,"sku":"CQE-RF-00706","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/arsenic-removal-refrigerator-in-line-water-filter-system-crystal-quest-inline-water-filters-16335538258013.jpg?v=1792508991"},{"product_id":"voyager-double-inline-water-filter-system","title":"Voyager Double Inline Water Filter System","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eCrystal Quest® Voyager Double Countertop Inline Water Filter System eliminates the impurities of tap water to offer great taste and pureness. It is quick and easy to install and use, attractive, convenient, and effectively removes many contaminants from water*. \u003cbr\u003e\u003cbr\u003eThis solid state water filter uses the latest technologies that blend the adsorption capabilities of coconut shell activated carbon with Eagle Redox Alloy® and more.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eWater travels through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7 stages of filtration \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: First, water travels through an Ultrafiltration (UF) membrane. Ultrafiltration (UF) is an important purification technology used for the production of high-purity water. UF is effective for the removal of colloids, proteins, bacteria, viruses, parasites, protozoa and pyrogens (e.g., gram-negative bacterial endotoxins), other organic molecules larger than 0.2 micron, and most other water contaminants known today. Then, through a 6-stage cartridge, removes many contaminants from water.* Our special house blend of 2 types of coconut-shell GAC (including Catalytic) with 2 types of Eagle Redox Alloys® (9500 \u0026amp; 6500) \u0026amp; anion exchange resin. This blend effectively reduces \u0026amp; removes heavy metals, chlorine \u0026amp; chloramine, pesticides \u0026amp; herbicides, pharmaceutical by-products \u0026amp; other inorganic substances such as petroleum byproducts. \u003c\/span\u003e\u003cspan\u003eCeramic and Tourmaline balls to enhance the water and maintain a more alkaline pH. \u003c\/span\u003e\u003cspan\u003eTo read about how GAC's work, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/how-gac-works\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e. To read about the ERA® Oxidation\/Reduction Process, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/oxidation-reduction-process\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eConveniently provides \u003cstrong\u003e 10,000 gallons \u003c\/strong\u003e ( \u003cstrong\u003e 1-3 years \u003c\/strong\u003e , or when the flow of water will automatically either stop or slow down greatly.)** of water. Great for homes, apartments or office use\u003c\/li\u003e\n\u003cli\u003eStandard size NPT input\/output 1\/4\"; this is size used if not specified in comment section of order processing screen. Unit also available in 3\/8\" NPT input\/output which would require additional conversion package to be ordered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eMin Operating Pressure: 20 psi (pounds per sq. in.) \u003cbr\u003eMax Operating Pressure: 60 psi (pounds per sq. in.) \u003cbr\u003eMin Operating Temperature: 40 degrees F \u003cbr\u003eMax Operating Temperature: 90 degrees F \u003cbr\u003eMax Flow Rate: 0.5 gallons per minute\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch3\u003eReplacement Cartridges\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltrafiltration (UF) Membrane Filter (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04055\" href=\"https:\/\/crystalquest.com\/products\/uf-membrane-filter-cartridge?variant=20985393351\"\u003eCQE-RC-04055\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Plus Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04002\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974511308810\"\u003eCQE-RC-04002\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Ultra Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04003\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824079370\"\u003eCQE-RC-04003\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Ultimate Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04004\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824177674\"\u003eCQE-RC-04004\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\" title=\"“Inline\"\u003e Inline-Water-Filter-Manual.pdf \u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Filters 10000 gallons Multistage PLUS","offer_id":67810399354968,"sku":"CQE-IN-00106","price":139.0,"currency_code":"USD","in_stock":true},{"title":"Filters 20000 gallons Multistage ULTRA","offer_id":67810399387736,"sku":"CQE-IN-00107","price":159.0,"currency_code":"USD","in_stock":true},{"title":"Filters 30000 gallons Multistage ULTIMATE","offer_id":67810399420504,"sku":"CQE-IN-00108","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/voyager-double-inline-water-filter-system-crystal-quest-inline-water-filters-33133275381853.jpg?v=1792509131"},{"product_id":"voyager-single-inline-water-filter-system","title":"Voyager Single Inline Water Filter System","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eCrystal Quest® Voyager Single Countertop Inline Water Filter System eliminates the impurities of tap water to offer great taste and pureness. It is quick and easy to install and use, attractive, convenient, and effectively removes many contaminants from water*. \u003cbr\u003e \u003cbr\u003eThis solid state water filter uses the latest technologies that blend the adsorption capabilities of coconut shell activated carbon with Eagle Redox Alloy® and more.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eWater travels through a 6-stage cartridge, removes many contaminants from water*. Our special house blend of 2 types of coconut-shell GAC (including Catalytic) with 2 types of Eagle Redox Alloys® (9500 \u0026amp; 6500) \u0026amp; anion exchange resin. This blend effectively reduces \u0026amp; removes heavy metals, chlorine \u0026amp; chloramine, pesticides \u0026amp; herbicides, pharmaceutical by-products \u0026amp; other inorganic substances such as petroleum byproducts. \u003c\/span\u003e\u003cspan\u003eCeramic and Tourmaline balls to enhance the water and maintain a more alkaline pH. \u003c\/span\u003e\u003cspan\u003eTo read about how GAC's work, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/how-gac-works\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e. To read about the ERA® Oxidation\/Reduction Process, click \u003c\/span\u003e\u003ca data-auth=\"NotApplicable\" href=\"https:\/\/crystalquest.com\/pages\/oxidation-reduction-process\" target=\"_blank\"\u003e\u003cspan\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eConveniently provides 10,000 gallons (1-3 years, or when the flow of water will automatically either stop or slow down greatly.)** of water.\u003c\/li\u003e\n\u003cli\u003eUse for any countertop\/faucet and helps remove the sediment thus enabling your filter to work more efficiently.\u003c\/li\u003e\n\u003cli\u003eStandard size NPT input\/output 1\/4\"; this is size used if not specified in comment section of order processing screen. Unit also available in 3\/8\" NPT input\/output which would require additional conversion package to be ordered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003eMin Operating Pressure: 20 psi (pounds per sq. in.) \u003cbr\u003eMax Operating Pressure: 60 psi (pounds per sq. in.) \u003cbr\u003eMin Operating Temperature: 40 degrees F \u003cbr\u003eMax Operating Temperature: 90 degrees F \u003cbr\u003eMax Flow Rate: 0.5 gallons per minute\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch3\u003eReplacement Cartridges\u003c\/h3\u003e\n\u003ctable data-mce-selected=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-mce-selected=\"1\"\u003eSMART Plus Filter Cartridge  (2-7\/8” x 9-3\/4”)  \u003c\/td\u003e\n\u003ctd data-mce-selected=\"1\"\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974511308810%20%20\" title=\"CQE-RC-04002\"\u003eCQE-RC-04002\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-mce-selected=\"1\"\u003eSMART Ultra Filter Cartridge (2-7\/8” x 9-3\/4”)  \u003c\/td\u003e\n\u003ctd data-mce-selected=\"1\"\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824079370\" title=\"CQE-RC-04003\"\u003eCQE-RC-04003 \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-mce-selected=\"1\"\u003eSMART Ultimate Filter Cartridge (2-7\/8” x 9-3\/4”)   \u003c\/td\u003e\n\u003ctd data-mce-selected=\"1\"\u003e\u003ca href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824177674%20\" title=\"CQE-RC-04004\"\u003eCQE-RC-04004\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\" title=\"“Inline\"\u003e Inline-Water-Filter-Manual.pdf \u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Filters 10000 gallons Multistage PLUS","offer_id":67810399486040,"sku":"CQE-IN-00103","price":99.0,"currency_code":"USD","in_stock":true},{"title":"Filters 20000 gallons Multistage ULTRA","offer_id":67810399518808,"sku":"CQE-IN-00104","price":119.0,"currency_code":"USD","in_stock":true},{"title":"Filters 30000 gallons Multistage ULTIMATE","offer_id":67810399551576,"sku":"CQE-IN-00105","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/filters-10000-gallons-multistage-plus-voyager-single-inline-water-filter-system-crystal-quest-inline-water-filters-33372079259741.jpg?v=1792509131"},{"product_id":"voyager-triple-inline-water-filter-system","title":"Voyager Triple Inline Water Filter System","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eCrystal Quest® Voyager Triple Countertop Inline Water Filter System eliminates the impurities of tap water to offer great taste and pureness. It is quick and easy to install and use, attractive, convenient, and effectively removes many contaminants from water. \u003cbr\u003e \u003cbr\u003e This solid state water filter uses the latest technologies that blend the adsorption capabilities of coconut shell activated carbon with Eagle Redox Alloy® and more\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWater travels through 8 stages of filtration:\u003c\/li\u003e\n\u003cli\u003eFirst, water travels through an Ultrafiltration (UF) membrane. Ultrafiltration (UF) is an important purification technology used for the production of high-purity water. UF is effective for the removal of colloids, proteins, bacteria, viruses, parasites, protozoa and pyrogens (e.g., gram-negative bacterial endotoxins), other organic molecules larger than 0.2 micron, and most other water contaminants known today. \u003c\/li\u003e\n\u003cli\u003eNext, through a 6-stage cartridge, removes many contaminants from water\u003c\/li\u003e\n\u003cli\u003eThen, through a solid carbon cartridge for removing volatile organic carbon compounds (VOC's, insecticides, pesticides and industrial solvents).\u003c\/li\u003e\n\u003cli\u003eConveniently provides 10,000 gallons (1-3 years, or when the flow of water will automatically either stop or slow down greatly.)** of water.\u003c\/li\u003e\n\u003cli\u003eStandard size NPT input\/output 1\/4\"; this is size used if not specified in comment section of order processing screen. Unit also available in 3\/8\" NPT input\/output which would require additional conversion package to be ordered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003e Min Operating Pressure: 20 psi (pounds per sq. in.) \u003cbr\u003e Max Operating Pressure: 60 psi (pounds per sq. in.) \u003cbr\u003e Min Operating Temperature: 40 degrees F \u003cbr\u003e Max Operating Temperature: 90 degrees F \u003cbr\u003e Max Flow Rate: 0.5 gallons per minute\u003c\/p\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch3\u003eReplacement Cartridges\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltrafiltration (UF) Membrane Filter (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04055\" href=\"https:\/\/crystalquest.com\/products\/uf-membrane-filter-cartridge?variant=20985393351\"\u003eCQE-RC-04055\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Plus Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04002\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974511308810\"\u003eCQE-RC-04002\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Ultra Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04003\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824079370\"\u003eCQE-RC-04003\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMART Ultimate Filter Cartridge (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04004\" href=\"https:\/\/crystalquest.com\/products\/smart-filter-cartridge?variant=974824177674\"\u003eCQE-RC-04004\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5-Micron Carbon Block Filter (2-7\/8” x 9-3\/4”)\u003c\/td\u003e\n\u003ctd\u003e\u003ca title=\"CQE-RC-04000\" href=\"https:\/\/crystalquest.com\/products\/coconut-based-carbon-block-filter-cartridge?variant=2436694376458\"\u003eCQE-RC-04000\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e###\u003c\/p\u003e\n\u003ch2\u003eProduct Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1286\/9985\/files\/InlineManual2.pdf?v=1691525230\" title=\"“Inline\"\u003e Inline-Water-Filter-Manual.pdf \u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest Water Filters","offers":[{"title":"Filters 10000 gallons Multistage PLUS","offer_id":67810418131032,"sku":"CQE-IN-00109","price":159.0,"currency_code":"USD","in_stock":true},{"title":"Filters 20000 gallons Multistage ULTRA","offer_id":67810418163800,"sku":"CQE-IN-00110","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Filters 30000 gallons Multistage ULTIMATE","offer_id":67810418196568,"sku":"CQE-IN-00111","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/filters-10000-gallons-multistage-plus-voyager-triple-inline-water-filter-system-crystal-quest-inline-water-filters-33372080013405.jpg?v=1792509395"},{"product_id":"portable-system-replacement-filters","title":"Sentry Portable System Replacement Filter Sets","description":"\u003cp\u003eReplacement filter sets for the Sentry Portable Wellness System. Portable system not included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStandard set: ToxyGuard and AlkaGuard filters\u003c\/li\u003e\n\u003cli\u003ePremium set: BioChemGuard and AlkaGuard filters\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelect the set that matches your existing system and its manufacturer instructions. These sets are not interchangeable with all Sentry systems or other brands.\u003c\/p\u003e\u003cp\u003eThe supplier recommends annual replacement; water conditions and use can affect service life. Confirm filtration requirements for your water source with the manufacturer before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/fit-confidence\"\u003eFit and buying help\u003c\/a\u003e · \u003ca href=\"\/pages\/contact\"\u003eContact Filter Villa\u003c\/a\u003e · \u003ca href=\"\/policies\/shipping-policy\"\u003eShipping\u003c\/a\u003e · \u003ca href=\"\/policies\/refund-policy\"\u003eReturns\u003c\/a\u003e\u003c\/p\u003e","brand":"Sentry H2O","offers":[{"title":"Standard: ToxyGuard \u0026 AlkaGuard Filters","offer_id":67810439561304,"sku":"CP-SWPS-FR-1","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Premium: BioChemGuard \u0026 AlkaGuard Filters","offer_id":67810439594072,"sku":"CP-SWPS-FR-2","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/1250\/9784\/files\/Standard_Portable_Replacement_Filters_Image.png?v=1792510183"}],"url":"https:\/\/filtervilla.com\/collections\/water-filtration-replacement-cartridges.oembed?page=2","provider":"Filter Villa","version":"1.0","type":"link"}