{"product_id":"4000-5000-gpd-whole-house-ro-filter-pack","title":"Crystal Quest Whole House RO Replacement Filter Pack, 4000 and 5000 GPD Systems","description":"\u003cp\u003eThis Crystal Quest replacement pack holds the three 4-5\/8\" x 20\" prefilters for 4,000 and 5,000 GPD whole house RO systems, with complete packs that add the 4\" x 40\" RO membranes. The prefilters remove sediment down to 5 microns and reduce chlorine and chloramine before water reaches the membranes.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThree-stage prefilter set: 5 micron pleated sediment, SMART multi-media and 5 micron coconut carbon block\u003c\/li\u003e\n\u003cli\u003eReduces chlorine and chloramine, which protects the chlorine-sensitive RO membranes\u003c\/li\u003e\n\u003cli\u003eSMART and carbon media also reduce volatile organic compounds, other organic chemicals and some metals\u003c\/li\u003e\n\u003cli\u003eSMART and carbon block cartridges rated 6 GPM at this size\u003c\/li\u003e\n\u003cli\u003eCartridges fit 5\" x 20\" Big Blue housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecs \u0026amp; Features\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits\u003c\/td\u003e\n\u003ctd\u003e4,000 and 5,000 GPD Whole House RO Systems; Commercial Mid-Flow RO System, 4,000 and 5,000 GPD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Size\u003c\/td\u003e\n\u003ctd\u003e4-5\/8\" x 20\", for 5\" x 20\" Big Blue housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 1, Sediment\u003c\/td\u003e\n\u003ctd\u003ePleated cellulose on polypropylene core, 5 micron (CQE-RC-04034)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 2, SMART\u003c\/td\u003e\n\u003ctd\u003eCoconut shell carbon, catalytic carbon, redox alloy, ion-exchange resin, ceramic and tourmaline, 6 GPM (CQE-RC-04030)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 3, Carbon Block\u003c\/td\u003e\n\u003ctd\u003eAcid-washed coconut shell activated carbon, 5 micron, 6 GPM (CQE-RC-04036)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 4000 GPD\u003c\/td\u003e\n\u003ctd\u003e3 prefilters + 2 x 4\" x 40\" RO membranes (CQE-RC-04086)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 5000 GPD\u003c\/td\u003e\n\u003ctd\u003e3 prefilters + 3 x 4\" x 40\" RO membranes (CQE-RC-04086)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Replacement\u003c\/td\u003e\n\u003ctd\u003eTypically every 12 to 24 months; about 18 months for most homes; once a year on chlorinated city water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMembrane Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 2 to 3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eISO 9001 quality management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003ePrefilter pack contains the three cartridges only, with no RO membrane\u003c\/li\u003e\n\u003cli\u003eNot a complete set for the 7,000 GPD system, which uses four prefilter housings\u003c\/li\u003e\n\u003cli\u003ePrefilters do not remove dissolved salts or TDS; the RO membranes handle these\u003c\/li\u003e\n\u003cli\u003eNot designed for hardness above 15 gpg or iron or manganese above 0.05 ppm; these need separate pretreatment\u003c\/li\u003e\n\u003cli\u003eThe membranes tolerate less than 1 ppm chlorine, and chlorine damage is permanent\u003c\/li\u003e\n\u003cli\u003eCheck the size printed on your current membranes before ordering; actual filter life depends on feed water quality, system configuration and usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cp\u003eAvermont Direct is an authorized Crystal Quest dealer. Choose the prefilter pack for routine cartridge changes, or a complete pack when the RO membranes are also due. If you are not sure which pack fits your system, contact our team with your system model before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eNeed Help?\u003c\/h3\u003e\n\u003cp\u003eIf you have questions about this product before you order, our team is happy to help.\u003c\/p\u003e\n\u003cp\u003eEmail: \u003ca href=\"mailto:support@avermontdirect.com\" target=\"_blank\" rel=\"noopener\"\u003esupport@avermontdirect.com\u003c\/a\u003e\u003cbr\u003e\nPhone: \u003ca href=\"tel:+18444553695\" target=\"_blank\" rel=\"noopener\"\u003e+1 (844) 455-3695\u003c\/a\u003e\u003cbr\u003e\nHours: Monday–Friday, 9AM–5PM\u003cbr\u003e\nLive Chat: Available 24\/7\u003c\/p\u003e","brand":"Crystal Quest","offers":[{"title":"Prefilter pack","offer_id":50895937830960,"sku":"CQ-RC-0004P","price":330.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 4000 GPD","offer_id":50895937863728,"sku":"CQ-RC-0004P-C4000","price":902.7,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 5000 GPD","offer_id":50895937896496,"sku":"CQ-RC-0004P-C5000","price":1189.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/4646\/0720\/files\/4000-5000-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263463676.webp?v=1793072432","url":"https:\/\/avermontdirect.com\/products\/4000-5000-gpd-whole-house-ro-filter-pack","provider":"Avermont Direct","version":"1.0","type":"link"}