{"title":"Universal Whole House Replacement Filters | 10\" \u0026 20\" BB | Purcooflow®","description":"","products":[{"product_id":"10-inch-ppc-filter","title":"Purcooflow 10\" x 4.5\" 5 Micron PPC Composite Filter - Sediment \u0026 Carbon Block 2-in-1 Replacement","description":"\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eDual-Stage Performance in One:\u003c\/b\u003e Combines a high-density PP sediment outer layer with a premium Carbon Block (CTO) core. Effectively removes rust, sand, and silt while simultaneously reducing chlorine, bad taste, and odors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eUniversal Compatibility:\u003c\/b\u003e Standard 10-inch x 4.5-inch dimensions fit most major brands' \"Big Blue\" whole-house filter housings (e.g., Culligan, Pentek, Geekpure).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003ePremium Material Safety:\u003c\/b\u003e Made from 100% food-grade polypropylene and high-quality coconut shell activated carbon. BPA-free and lead-free, ensuring the purest water quality for your family.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eHigh-Flow \u0026amp; Low Pressure Drop:\u003c\/b\u003e Designed with a 10\" x 4.5\" Big Blue format to ensure maximum water contact and minimal flow restriction. Perfect for whole-house filtration or high-demand commercial applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eExtended Filter Life:\u003c\/b\u003e The graduated density structure captures larger particles on the surface and finer particles deeper within, preventing premature clogging and extending the service life of both the filter and downstream appliances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"3 Pack","offer_id":50644389134622,"sku":"PJS02LXU07-U1","price":59.99,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":50644389167390,"sku":"PJS02LXU07-U1-6PACK","price":105.99,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":50644389232926,"sku":"PJS02LXU07-U1-12PACK","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow10inchppcfilter.jpg?v=1771917024"},{"product_id":"20-inch-ppc-filter","title":"Purcooflow 20\" x 4.5\" 5 Micron PPC Composite Filter - Dual-Stage PP \u0026 Carbon Block for Whole House","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eTrue 2-in-1 Dual Action:\u003c\/b\u003e Features an outer PP sediment shell for capturing dirt, scale, and rust, paired with a high-performance CTO carbon core that eliminates 99% of chlorine, VOCs, and unpleasant odors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eUniversal Big Blue Fit:\u003c\/b\u003e Fully compatible with most standard 20-inch Big Blue (BB) filter housings. Ideal replacement for standard 20\" x 4.5\" sediment or carbon filters where space or efficiency is a priority.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003eMaximum Filtration Surface:\u003c\/b\u003e The massive 20\" x 4.5\" design provides double the filtration area and lifespan compared to 10-inch filters. Engineered for high-flow demands in large homes, villas, and light commercial settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,2,0\"\u003eHeavy-Duty Performance:\u003c\/b\u003e Optimized for a high flow rate with minimal pressure loss. This composite filter ensures that every faucet in your house delivers clean, filtered water without compromising water pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eCost-Efficient Maintenance:\u003c\/b\u003e By combining two filtration stages into a single heavy-duty cartridge, you reduce the number of filter housings needed and simplify your maintenance schedule—one filter change does it all.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"3 Pack","offer_id":50644421869854,"sku":"PJS02LXU06-U1","price":85.99,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":50644421902622,"sku":"PJS02LXU06-U1-6PACK","price":159.99,"currency_code":"USD","in_stock":true},{"title":"9 Pack","offer_id":50644421935390,"sku":"PJS02LXU06-U1-9PACK","price":235.99,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":50644421968158,"sku":"PJS02LXU06-U1-12PACK","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow20inchppcfilter.jpg?v=1771916997"},{"product_id":"20-inch-kdf-replacement-cartridge","title":"Purcooflow 20\" x 4.5\" 5 Micron KDF \u0026 Carbon Composite Filter - Heavy Metal Reduction","description":"\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eAdvanced Heavy Metal Removal:\u003c\/b\u003e Formulated with high-purity KDF-55 media to significantly reduce water-soluble heavy metals, including \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"133\"\u003eLead, Iron, Manganese, Mercury, Arsenic, and Chromium\u003c\/b\u003e. Protect your family from the hidden neurological and physical risks of metal contamination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eMulti-Stage Deep Purification:\u003c\/b\u003e Combines premium Kinetic Degradation Fluxion (KDF) with high-grade activated carbon. This dual-action technology targets chlorine, hydrogen sulfide, pesticides, and VOCs for crystal-clear, odorless water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eBacteriostatic Property:\u003c\/b\u003e Unlike standard carbon filters, the KDF media creates an unfavorable environment for bacteria and algae growth within the filter cartridge, ensuring the filter remains hygienic throughout its entire lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eMaximum Protection for Appliances:\u003c\/b\u003e By removing scale-causing minerals and corrosive heavy metals, this filter extends the life of your plumbing, water heaters, and high-end bathroom fixtures by preventing buildup and oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fit for 20\" x 4.5\" Big Blue Systems\u003c\/strong\u003e: Compatible with all standard 20-inch Big Blue housings and most whole-house filtration systems. Easy drop-in replacement with no modification required.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eHigh-Capacity \u0026amp; Long Lifespan:\u003c\/b\u003e Designed for 20\" x 4.5\" Big Blue housings. Its massive surface area supports high flow rates with zero pressure drop, making it the ultimate choice for large villas and well-water filtration. \u003cspan\u003e We suggest replacing the KDF water filter cartridge every 6-12 months (or 100,000 gallons) depending on your water quality\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"2 Pack","offer_id":50644426719518,"sku":"PJS02LXU03-U1","price":169.99,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":50644426752286,"sku":"PJS02LXU03-U1-4PACK","price":329.99,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":50644426785054,"sku":"PJS02LXU03-U1-8PACK","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow20inchkdffilter.jpg?v=1771916962"},{"product_id":"20-inch-5-micron-cto-filter","title":"Purcooflow 20\" x 4.5\" 5 Micron CTO Carbon Block Filter Cartridge - Coconut Shell Replacement Filter","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e100% Premium Coconut Shell Carbon:\u003c\/b\u003e Crafted from high-density, acid-washed coconut shell activated carbon. Offers superior adsorption surface area compared to coal-based carbon, ensuring maximum removal of organic chemicals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eExceptional Chlorine \u0026amp; Odor Reduction:\u003c\/b\u003e Effectively eliminates 99% of Chlorine, Chloramines, bad tastes, and foul odors. Transform your tap water into refreshing, bottled-quality water for drinking, cooking, and bathing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003ePrecision 5-Micron Filtration:\u003c\/b\u003e The uniform carbon block structure acts as a fine sediment filter, capturing particles as small as \u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"130\"\u003e5 microns\u003c\/b\u003e, including fine sand, scale, and cloudiness, without causing significant pressure drops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fit for 20\" x 4.5\" Big Blue Systems\u003c\/strong\u003e: Compatible with all standard 20-inch Big Blue housings and most whole-house filtration systems. Easy drop-in replacement with no modification required.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eUp To 100,000-Gallon Capacity:\u003c\/b\u003e Specifically designed for large-scale filtration. One 20\" x 4.5\" cartridge provides clean water for a family of 4-6 for up to \u003cstrong\u003e6-12\u003c\/strong\u003e months (depending on local water quality).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eEco-Friendly \u0026amp; Safe Design:\u003c\/b\u003e BPA-free and lead-free construction. Our low-ash carbon block ensures no black carbon fines are released into your water line, protecting your downstream appliances and fixtures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"2 Pack","offer_id":50644428718366,"sku":"PJS02LXU04-U1","price":79.99,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":50644428751134,"sku":"PJS02LXU04-U1-4PACK","price":149.99,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":50644428783902,"sku":"PJS02LXU04-U1-8PACK","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflowctofilter20inch.jpg?v=1771916888"},{"product_id":"20-inch-big-blue-gac-replacement","title":"Purcooflow 20\" x 4.5\" 5 Micron GAC Granular Activated Carbon Filter - High-Flow Coconut Shell Replacement Cartridge","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003e\u003cspan class=\"citation-13\"\u003eSuperior Adsorption Surface:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-13\"\u003e Packed with premium, lab-tested \u003c\/span\u003e\u003cb data-index-in-node=\"61\" data-path-to-node=\"7,0,0\"\u003e\u003cspan class=\"citation-13\"\u003eGranular Activated Carbon (GAC)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-13 citation-end-13\"\u003e derived from high-quality coconut shells.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-12 citation-end-12\"\u003eIts porous structure provides an expansive surface area for maximum absorption of chlorine and organic chemicals.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eEnhanced Water Taste \u0026amp; Clarity:\u003c\/b\u003e Specifically engineered to eliminate the \"rotten egg\" smell (hydrogen sulfide), metallic tastes, and cloudy appearances. Enjoy crisp, refreshing water directly from every tap in your home.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,2,0\"\u003eOptimal High-Flow Performance:\u003c\/b\u003e\u003cspan class=\"citation-11\"\u003e The granular design allows water to flow freely through the media with \u003c\/span\u003e\u003cb data-index-in-node=\"102\" data-path-to-node=\"7,2,0\"\u003e\u003cspan class=\"citation-11\"\u003eminimal pressure drop\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-11 citation-end-11\"\u003e.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e It is the ideal choice for large households and commercial sites that require high volumes of water without compromising on purity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eUniversal Big Blue Compatibility:\u003c\/b\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e Standard 20-inch x 4.5-inch dimensions ensure a perfect fit for all major brands of \"Big Blue\" (BB) whole-house filter housings.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Easy to install and replace for DIY maintenance.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eBuilt-in Protection Layers:\u003c\/b\u003e Features an integrated internal 5-micron spun polypropylene post-filter. \u003cspan class=\"citation-10 citation-end-10\"\u003eThis prevents carbon fines (black dust) from escaping into your water line, ensuring clean water and protecting your plumbing fixtures.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"2 Pack","offer_id":50644435763486,"sku":"PJS02LXU02-U1","price":89.99,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":50644435796254,"sku":"PJS02LXU02-U1-4PACK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":50644435829022,"sku":"PJS02LXU02-U1-8PACK","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflowgacfilter20inch.jpg?v=1771916862"},{"product_id":"20-inch-5-micron-big-blue-pp-sediment-cartridge","title":"Purcooflow 20x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt \u0026 Silt","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e100% Pure Food-Grade Polypropylene:\u003c\/b\u003e Made from melt-blown virgin polypropylene with no binders, adhesives, or lubricants. BPA-free, odorless, and highly resistant to chemicals and bacterial growth, ensuring safe filtration for household water systems\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eAdvanced Multi-Layer Gradient Density:\u003c\/b\u003e Engineered with a 3-layer “rare-to-dense” structure. The outer layer captures larger particles, while inner layers progressively trap finer sediment, preventing surface clogging and improving overall filtration efficiency and lifespan.\u003cbr\u003e\u003cbr\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003e5-Micron High-Precision Sediment Filtration:\u003c\/b\u003e Effectively removes sand, rust, dirt, silt, scale, and other suspended solids. Provides consistently clear water and serves as the essential first stage in any whole-house or pre-filtration system.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eUniversal Compatibility for Standard 20\" x 4.5\" Systems:\u003c\/b\u003e Designed to fit \u003cstrong data-start=\"1158\" data-end=\"1254\"\u003enearly all standard 20-inch Big Blue (BB) filter housings and whole-house filtration systems\u003c\/strong\u003e. Fully compatible with most mainstream brands, making replacement simple without brand lock-in or installation changes.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eProtects Downstream Appliances:\u003c\/b\u003e As the essential first stage of filtration, it prevents grit and debris from damaging your expensive water heaters, washing machines, and high-end carbon or RO filters. Ultra-Long Service Life \u0026amp; Peak Performance\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cstrong\u003eUltra-Long Service Life \u0026amp; Peak Performance\u003c\/strong\u003e: Engineered for endurance, the Purcooflow filter delivers up to 30,000 gallons of pristine water (depending on feed water quality). For optimal results, replace every 3-6 months.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"3 Pack","offer_id":50644438614302,"sku":"PJS02LXU01-U1","price":79.99,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":50644438647070,"sku":"PJS02LXU01-U1-6PACK","price":155.99,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":50644438679838,"sku":"PJS02LXU01-U1-12PACK","price":305.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow20inchppfilter.jpg?v=1771916833"},{"product_id":"20-inch-cto-plus-pfas-specialized-cartridge","title":"Purcooflow 20\" x 4.5\" 5 Micron CTO⁺ Specialized PFAS Removal Filter - Whole House Carbon Block for PFOA\/PFOS \u0026 Chlorine","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eSpecialized PFAS (PFOA\/PFOS) Defense:\u003c\/b\u003e Reduces PFAS (PFOA \u0026amp; PFOS) with advanced adsorption media designed to target “forever chemicals” that standard filters may not address. Third-party\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/Purcooflow_CTO_PFAS_Filter_SGS_Test_Report.pdf?v=1775548262\"\u003e SGS Test Teport\u003c\/a\u003e available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eSuperior 2-in-1 CTO⁺ Filtration:\u003c\/b\u003e Combines premium chlorine reduction carbon with specialized media to help reduce synthetic chemicals, VOCs and other unwanted contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003ePremium Coconut Shell Carbon:\u003c\/b\u003e Made with high-iodine-value coconut shell activated carbon for extensive surface area and efficient contaminant adsorption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eWhole-House Big Blue Compatibility:\u003c\/b\u003e Designed for standard 20\" x 4.5\" Big Blue housings to support high-flow whole-house filtration applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003e5-Micron Precision \u0026amp; Certified-Safe Materials:\u003c\/b\u003e Rated at 5 microns for fine sediment reduction and made from BPA-free, food-grade materials for safe water contact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eExtended 100,000-Gallon Capacity:\u003c\/b\u003e Provides up to 100,000 gallons or 6–12 months of filtration, depending on water quality and usage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"2 Pack","offer_id":50644449919262,"sku":"PJS02LXU05-U1","price":169.99,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":50644449952030,"sku":"PJS02LXU05-U1-4PACK","price":319.99,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":50644449984798,"sku":"PJS02LXU05-U1-8PACK","price":629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow_cto_pfas_filter.jpg?v=1771916808"},{"product_id":"20-inch-3-stage-chlorine-removal-set","title":"Purcooflow WHF2045B301 Replacement Filter Set – 20\" x 4.5\", 3-Stage PP + GAC + CTO Cartridges","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,1,0,0\" data-index-in-node=\"0\"\u003eAdvanced 3-Stage Whole Water Filtration:\u003c\/b\u003e Combines 5-micron PP sediment filtration, GAC granular activated carbon, and a premium CTO carbon block to reduce particulates, chlorine, odors, and common chemical contaminants in one complete filtration set.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,1,1,0\"\u003e\u003cb data-path-to-node=\"4,1,1,1,0\" data-index-in-node=\"0\"\u003eStage 1 Sediment Protection (5-Micron PP Filter):\u003c\/b\u003e Captures rust, sand, dirt, and suspended particles while helping protect downstream carbon filters for longer-lasting filtration performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,1,2,0\"\u003e\u003cb data-path-to-node=\"4,1,1,2,0\" data-index-in-node=\"0\"\u003eDual Carbon Filtration for Enhanced Chlorine Reduction:\u003c\/b\u003e The GAC + CTO dual-carbon configuration increases contact time and adsorption efficiency to help reduce chlorine, chloramine taste and odor, VOCs, and unwanted chemical impurities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 20\" Filter Compatibility\u003c\/strong\u003e: Compatible with most standard 20\" x 4.5\" filter cartridges, including sediment and carbon filters—giving you flexible replacement options without being locked into proprietary filters.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,1,4,0\"\u003e\u003cb data-path-to-node=\"4,1,1,4,0\" data-index-in-node=\"0\"\u003ePremium Materials for Reliable Performance:\u003c\/b\u003e Made with 100% coconut shell activated carbon and virgin polypropylene for dependable filtration performance using food-grade, BPA-free materials you can trust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"Default Title","offer_id":50644460536094,"sku":"PJS03LXWHF03-U1","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/3-stagefiltersetpurcooflow20inch.jpg?v=1771916775"},{"product_id":"20-inch-kdf-heavy-metal-reduction-set","title":"Purcooflow WHF2045B302 Replacement Filter Set - 20\" x 4.5\", 3-Stage PP, KDF \u0026 CTO for Iron, Manganese, Lead, Mercury Removal","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,0,0\"\u003e\u003cstrong\u003eAdvanced 3-Stage Heavy Metal Defense:\u003c\/strong\u003e Combines 5-micron PP sediment filtration, specialized KDF-55 media, and a premium CTO carbon block to reduce particulates, heavy metals, chlorine, and common contaminants in one complete filtration set.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 20\" Filter Compatibility\u003c\/strong\u003e: Compatible with most standard 20\" x 4.5\" filter cartridges, including sediment and carbon filters—giving you flexible replacement options without being locked into proprietary filters.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,2,0\"\u003e\u003cb data-path-to-node=\"8,1,1,2,0\" data-index-in-node=\"0\"\u003eKDF-55 Protection Against Heavy Metals:\u003c\/b\u003e Engineered to help reduce soluble heavy metals such as iron, lead, mercury, arsenic, and chromium, while also helping address metallic tastes often found in well water and aging municipal supplies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,3,0\"\u003e\u003cb data-path-to-node=\"8,1,1,3,0\" data-index-in-node=\"0\"\u003eBacteriostatic Performance \u0026amp; Sulfur Odor Reduction:\u003c\/b\u003e KDF media helps create an unfavorable environment for bacteria and algae growth while also helping reduce hydrogen sulfide associated with “rotten egg” odors common in private well water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,4,0\"\u003e\u003cb data-path-to-node=\"8,1,1,4,0\" data-index-in-node=\"0\"\u003ePremium Carbon Polishing for Cleaner-Tasting Water:\u003c\/b\u003e The final CTO stage provides additional reduction of chlorine, VOCs, pesticides, and unwanted odors while polishing water for improved taste, clarity, and overall filtration performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"Default Title","offer_id":50644461781278,"sku":"PJS03LXWHF01-U1","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/20inchHeavyMetalReductionFilterSetpurcooflow20inch.jpg?v=1771916752"},{"product_id":"20-inch-pfas-defense-system-set","title":"Purcooflow WHF2045B303 Replacement Filter Set -  20\" x 4.5\", 3-Stage Filtration for Sediment, Chlorine, PFAS","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,1,0,0\" data-index-in-node=\"0\"\u003e3-Stage Protection Against Sediment, Chlorine, Chemicals \u0026amp; PFAS:\u003c\/b\u003e Combines a 5-micron PP sediment filter, premium CTO carbon block, and specialized CTO⁺ media to reduce rust, chlorine, VOCs, and harmful “Forever Chemicals” PFAS in one complete filtration system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,1,1,0\"\u003e\u003cb data-path-to-node=\"12,1,1,1,0\" data-index-in-node=\"0\"\u003eStage 1 Sediment Filtration Protects Your Water \u0026amp; Filters:\u003c\/b\u003e Removes sand, rust, dirt, and fine particles down to 5 microns while helping shield downstream carbon filters for longer-lasting performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,1,2,0\"\u003e\u003cb data-path-to-node=\"12,1,1,2,0\" data-index-in-node=\"0\"\u003eDual Carbon Block Filtration for Stronger Chemical Reduction:\u003c\/b\u003e The CTO + CTO⁺ dual-carbon design increases water-to-media contact time to improve reduction of chlorine, PFAS, pesticides, herbicides, industrial solvents, and unwanted chemical contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 20\" Filter Compatibility\u003c\/strong\u003e: Compatible with most standard 20\" x 4.5\" filter cartridges, including sediment and carbon filters—giving you flexible replacement options without being locked into proprietary filters.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,1,4,0\"\u003e\u003cb data-path-to-node=\"12,1,1,4,0\" data-index-in-node=\"0\"\u003eBuilt for Homes Demanding Higher Water Safety:\u003c\/b\u003e Designed for families concerned about modern groundwater contaminants, this is our most advanced 20-inch filtration set for broad-spectrum protection and cleaner, safer water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Purcooflow","offers":[{"title":"Default Title","offer_id":50644467155230,"sku":"PJS03LXWHF02-U1","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1829\/5326\/files\/purcooflow_20inch_pfas_filter_set-1.jpg?v=1777426056"},{"product_id":"10-inch-pp-sediment-filter-5-micron","title":"Purcooflow 10x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt \u0026 Silt","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e100% Pure Food-Grade Polypropylene:\u003c\/b\u003e Made from melt-blown virgin polypropylene with no binders, adhesives, or lubricants. BPA-free, odorless, and highly resistant to chemicals and bacterial growth, ensuring safe filtration for household water systems\u003cbr\u003e\u003cbr\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eAdvanced Multi-Layer Gradient Density:\u003c\/b\u003e Engineered with a 3-layer “rare-to-dense” structure. The outer layer captures larger particles, while inner layers progressively trap finer sediment, preventing surface clogging and improving overall filtration efficiency and lifespan.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003e5-Micron High-Precision Sediment Filtration:\u003c\/b\u003e Effectively removes sand, rust, dirt, silt, scale, and other suspended solids. Provides consistently clear water and serves as the essential first stage in any whole-house or pre-filtration system.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eUniversal Compatibility for Standard 10\" x 4.5\" Systems:\u003c\/b\u003e Designed to fit \u003cstrong data-end=\"1254\" data-start=\"1158\"\u003enearly all standard 10-inch Big Blue (BB) filter housings and whole-house filtration systems\u003c\/strong\u003e. 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