{"title":"RO Filter Packs","description":"\u003cp\u003eReplacement prefilter and complete filter packs for Crystal Quest reverse osmosis systems.\u003c\/p\u003e","products":[{"product_id":"500-1000-gpd-whole-house-ro-filter-pack","title":"Crystal Quest Whole House RO Replacement Filter Pack, 500, 750 or 1000 GPD, Prefilter or Complete","description":"\u003cp\u003eThis Crystal Quest replacement pack services 500, 750 and 1000 GPD whole house reverse osmosis systems. Choose a prefilter-only set of two 4-5\/8\" x 9-3\/4\" cartridges, or a complete pack that adds the RO membranes for your system size.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo prefilter options: pleated sediment + SMART Plus, or carbon block + sediment\u003c\/li\u003e\n\u003cli\u003eComplete packs pair two prefilters with the matching RO membranes for 500, 750 or 1000 GPD systems\u003c\/li\u003e\n\u003cli\u003ePrefilters measure 4-5\/8\" x 9-3\/4\" and fit 5\" x 10\" Big Blue housings\u003c\/li\u003e\n\u003cli\u003ePrefilters typically last about 18 months in most homes, so one set covers a long service interval\u003c\/li\u003e\n\u003cli\u003eRO membranes are replaced every 2 to 3 years, keeping the complete pack on a predictable schedule\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\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003e500, 750 and 1000 GPD whole house RO systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Size\u003c\/td\u003e\n\u003ctd\u003e4-5\/8\" x 9-3\/4\" (actual size), fits 5\" x 10\" Big Blue housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSediment + SMART Plus Set\u003c\/td\u003e\n\u003ctd\u003e1 pleated sediment cartridge (CQE-RC-04033), 1 SMART Plus cartridge (CQE-RC-04027)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon Block + Sediment Set\u003c\/td\u003e\n\u003ctd\u003e1 carbon block cartridge (CQE-RC-04035), 1 sediment cartridge (CQE-RC-04033)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 500 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters and 2 RO membranes, each 2.5\" x 21\" (CQE-RC-04084)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 750 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters and 1 RO membrane, 2.5\" x 40\" (CQE-RC-04109)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 1000 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters and 3 RO membranes, each 2.5\" x 21\" (CQE-RC-04084)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 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\u003eRO Membrane Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 2 to 3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003ePrefilter-only packs do not include an RO membrane\u003c\/li\u003e\n\u003cli\u003eCheck the size printed on your current membrane before ordering\u003c\/li\u003e\n\u003cli\u003eComplete packs are one-time purchases\u003c\/li\u003e\n\u003cli\u003eActual lifespan 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. This pack is intended for owners of Crystal Quest 500, 750 and 1000 GPD whole house RO systems who need scheduled prefilter or membrane replacement. Confirm your membrane size and system capacity before choosing a complete pack.\u003c\/p\u003e\n\n\u003ch3\u003eNeed Help?\u003c\/h3\u003e\n\u003cp\u003eFree shipping on orders over $200\u003c\/p\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, Sediment + SMART Plus","offer_id":50895694856240,"sku":"CQ-RC-0003PS","price":193.5,"currency_code":"USD","in_stock":true},{"title":"Prefilter pack, Carbon Block + Sediment","offer_id":50895694889008,"sku":"CQ-RC-0003P","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 500 GPD","offer_id":50895694921776,"sku":"CQ-RC-0003PS-C500","price":518.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 750 GPD","offer_id":50895694954544,"sku":"CQ-RC-0003PS-C750","price":475.25,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1000 GPD","offer_id":50895694987312,"sku":"CQ-RC-0003PS-C1000","price":680.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/4646\/0720\/files\/sediment-smart-plus-500-1000-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263477385.webp?v=1793071562"},{"product_id":"7000-gpd-whole-house-ro-filter-pack","title":"Crystal Quest Whole House RO Replacement Filter Pack, 7000 GPD, Prefilter or Complete","description":"\u003cp\u003eThis Crystal Quest replacement pack services 7000 GPD whole house reverse osmosis systems. The prefilter pack holds four 4-5\/8\" x 20\" cartridges, and the complete pack adds four 4\" x 40\" RO membranes.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour-stage prefilter set: pleated cellulose sediment, SMART Plus, coconut shell GAC and 5-micron carbon block\u003c\/li\u003e\n\u003cli\u003eCartridges are listed in install order from the inlet, which simplifies a filter change\u003c\/li\u003e\n\u003cli\u003eComplete pack adds four 4\" x 40\" RO membranes (CQE-RC-04086) for a full system service\u003c\/li\u003e\n\u003cli\u003ePrefilters typically last about 18 months in most homes\u003c\/li\u003e\n\u003cli\u003eRO membranes are replaced every 2 to 3 years\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\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003eCrystal Quest 7000 GPD whole house RO systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Size\u003c\/td\u003e\n\u003ctd\u003e4-5\/8\" x 20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 1\u003c\/td\u003e\n\u003ctd\u003ePleated cellulose sediment cartridge (CQE-RC-04034)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 2\u003c\/td\u003e\n\u003ctd\u003eSMART Plus filter cartridge (CQE-RC-04030)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 3\u003c\/td\u003e\n\u003ctd\u003eCoconut shell GAC filter cartridge (CQE-RC-04106)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage 4\u003c\/td\u003e\n\u003ctd\u003eCoconut based 5-micron carbon block cartridge (CQE-RC-04036)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack\u003c\/td\u003e\n\u003ctd\u003e4 prefilters plus 4 RO membranes, 4\" x 40\" (CQE-RC-04086)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 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\u003eRO Membrane Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 2 to 3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003ePrefilter pack does not include an RO membrane\u003c\/li\u003e\n\u003cli\u003eReplace prefilters sooner if flow or pressure drops\u003c\/li\u003e\n\u003cli\u003eCheck the size printed on your current membrane before ordering\u003c\/li\u003e\n\u003cli\u003eComplete packs are one-time purchases\u003c\/li\u003e\n\u003cli\u003eActual lifespans depend 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. This pack is intended for owners of Crystal Quest 7000 GPD whole house RO systems who need scheduled prefilter or membrane replacement. Confirm your membrane size before choosing the complete pack.\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":50895715794992,"sku":"CQ-RC-0005P","price":417.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 7000 GPD","offer_id":50895715827760,"sku":"CQ-RC-0005P-C7000","price":1562.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/4646\/0720\/files\/7000-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263477387.webp?v=1793071642"},{"product_id":"1500-2500-gpd-whole-house-ro-filter-pack","title":"Crystal Quest Whole House RO Replacement Filter Pack, 1500, 1800 and 2500 GPD Systems","description":"\u003cp\u003eThis Crystal Quest replacement pack fits 1500, 1800 and 2500 GPD Whole House RO Systems. Choose a prefilter set of two 4-5\/8\" x 20\" cartridges, or a complete pack that adds the RO membranes your system uses.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo prefilter options: Sediment + SMART Plus, or Carbon Block + Sediment\u003c\/li\u003e\n\u003cli\u003eComplete packs pair the Sediment + SMART Plus prefilters with the matching RO membranes\u003c\/li\u003e\n\u003cli\u003ePrefilter cartridges fit 5\" x 20\" Big Blue housings\u003c\/li\u003e\n\u003cli\u003ePrefilters typically last 12 to 24 months; RO membranes 2 to 3 years\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\u003e1500, 1800 and 2500 GPD Whole House RO Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Size\u003c\/td\u003e\n\u003ctd\u003e4-5\/8\" x 20\" actual, fits 5\" x 20\" Big Blue housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSediment + SMART Plus Set\u003c\/td\u003e\n\u003ctd\u003e1 Pleated Sediment (CQE-RC-04034), 1 SMART Plus (CQE-RC-04030)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon Block + Sediment Set\u003c\/td\u003e\n\u003ctd\u003e1 Carbon Block (CQE-RC-04036), 1 Sediment (CQE-RC-04034)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 1500 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters + 2 x 2.5\" x 40\" RO membranes (CQE-RC-04109)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 1800 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters + 1 x 4\" x 40\" RO membrane (CQE-RC-04086)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 2500 GPD\u003c\/td\u003e\n\u003ctd\u003e2 prefilters + 3 x 2.5\" x 40\" RO membranes (CQE-RC-04109)\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003ePrefilter packs contain the cartridge set only, with no RO membrane\u003c\/li\u003e\n\u003cli\u003eComplete replacement packs are one-time purchases\u003c\/li\u003e\n\u003cli\u003eCheck the size printed on your current membrane before ordering\u003c\/li\u003e\n\u003cli\u003eActual 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 a prefilter pack for routine cartridge changes, or a complete pack when the RO membranes are also due. If you are not sure which pack your system uses, contact our team with your system size before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eNeed Help?\u003c\/h3\u003e\n\u003cp\u003eFree shipping on orders over $200\u003c\/p\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, Sediment + SMART Plus","offer_id":50895894544432,"sku":"CQ-RC-0001PS","price":285.5,"currency_code":"USD","in_stock":true},{"title":"Prefilter pack, Carbon Block + Sediment","offer_id":50895894577200,"sku":"CQ-RC-0001P","price":84.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1500 GPD","offer_id":50895894609968,"sku":"CQ-RC-0001PS-C1500","price":849.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 1800 GPD","offer_id":50895894642736,"sku":"CQ-RC-0001PS-C1800","price":571.85,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 2500 GPD","offer_id":50895894675504,"sku":"CQ-RC-0001PS-C2500","price":1130.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/4646\/0720\/files\/sediment-smart-plus-1500-2500-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263477383.webp?v=1793072285"},{"product_id":"200-300-gpd-whole-house-ro-filter-pack","title":"Crystal Quest Whole House RO Replacement Filter Pack, 200 to 400 GPD Systems","description":"\u003cp\u003eThis Crystal Quest replacement pack holds the three 2-7\/8\" x 20\" prefilters used on 200 to 400 GPD whole house and low-flow RO systems, with complete packs that add the matching RO membrane. The prefilters reduce sediment down to 5 microns along with chlorine and chloramine before water reaches the membrane.\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 carbon block\u003c\/li\u003e\n\u003cli\u003eReduces chlorine and chloramine, which protects the chlorine-sensitive RO membrane\u003c\/li\u003e\n\u003cli\u003eSMART and carbon media also reduce volatile organic compounds, other organic chemicals and a range of metals\u003c\/li\u003e\n\u003cli\u003eComplete packs include a 2.5\" x 14\" membrane (200 or 300 GPD) or a 2.5\" x 21\" membrane (400 GPD)\u003c\/li\u003e\n\u003cli\u003ePrefilters fit 2.5\" x 20\" 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\u003e300 and 400 GPD Whole House RO Systems; 200 and 300 GPD Low-Flow RO Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrefilter Size\u003c\/td\u003e\n\u003ctd\u003e2-7\/8\" x 20\", for 2.5\" x 20\" 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-04015)\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, 2.5 GPM (CQE-RC-04016)\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, 2.5 GPM (CQE-RC-04014)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 200 or 300 GPD\u003c\/td\u003e\n\u003ctd\u003e3 prefilters + 1 x 2.5\" x 14\" RO membrane (CQE-RC-04111)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Pack, 400 GPD\u003c\/td\u003e\n\u003ctd\u003e3 prefilters + 1 x 2.5\" x 21\" RO membrane (CQE-RC-04084)\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\u003eInstall prefilters in order from the inlet: sediment, SMART, then carbon block\u003c\/li\u003e\n\u003cli\u003ePrefilters are not designed to reduce TDS, hardness or salts; the RO membrane handles these\u003c\/li\u003e\n\u003cli\u003eThe thin-film composite membrane tolerates less than 1 ppm chlorine, and chlorine damage to it is irreversible\u003c\/li\u003e\n\u003cli\u003eCheck the size printed on your current membrane; older 300 GPD systems may use a different size\u003c\/li\u003e\n\u003cli\u003eComplete replacement packs are one-time purchases; 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 membrane is also due. If you are not sure which membrane your system uses, 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":50895915122736,"sku":"CQ-RC-0002P","price":211.0,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 200 or 300 GPD","offer_id":50895915155504,"sku":"CQ-RC-0002P-C300","price":364.75,"currency_code":"USD","in_stock":true},{"title":"Complete replacement pack, 400 GPD","offer_id":50895915188272,"sku":"CQ-RC-0002P-C400","price":373.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/4646\/0720\/files\/200-300-gpd-whole-house-ro-filter-pack-crystal-quest-water-filter-cartridges-1263463678.webp?v=1793072360"},{"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\/collections\/replacement-ro-filter-packs.oembed","provider":"Avermont Direct","version":"1.0","type":"link"}