AFWFilters
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20-inch High Flow 3 Stage Filter Kit with CatCarb/KDF 85, Activated Alumina, and Sediment Filters
$292.00Transform your water purification system with the 20-inch High Flow 3 Stage Filter Kit, a perfect blend of advanced filtration technology and reliable performance. Experience cleaner, safer water for...RFK3-4520-85AASD$292.00 -
20-inch High Flow 3 Stage Filter Kit with GAC/KDF 55, Activated Alumina, and Sediment Filters
$259.00Transform your water purification process with the 20-inch 3 Stage Filter Kit. Designed to deliver superior filtration, this kit includes GAC/KDF 55, Activated Alumina, and Sediment Filters, ensuring...RFK3-4520-SD55AA$259.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, Activated Alumina, and Bone Char
$329.003-stage replacement filter kit with sediment, activated alumina, and bone char for standard Big Blue carbon filter. Product Features 20" High Flow Sediment Filter The 5 micron sediment filter is a...RFK3-4520-SDAABC$329.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, Activated Alumina, and Carbon Block Filter
$219.00The 5 micron sediment filter is a 100% polypropylene filter containing graded density that provides higher dirt holding capacity than standard spun polypropylene and string wound cartridges. The...RFK3-4520-SDAACB$219.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, Carbon Block and Matrikx Pb1 Filters
$239.00Replacement filter set for 3 stage Big Blue 20" filter system. Includes the sediment, carbon block, and Matrikx Pb1 filters. Product Features 20" High Flow Sediment Filter The 5 micron sediment...RFK3-4520-SDCBPb$239.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, Carbon Block, and Nitrate Filters
$356.00Replacement or upgrade for standard 20" systems that utilize 4.5"x20" filter cartridges Sediment filter - 5-micron Carbon block filter Nitrate filter Standard 4.5-inch x 20-inch filters The initial...RFK3-4520-SDCBNT$356.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, Catalytic Carbon/KDF 85, and Radial Flow Carbon
$249.00Transform your water quality with the 20-inch 3 Stage Filter Kit, engineered for optimal filtration and taste enhancement. This comprehensive kit includes a sediment filter, Catalytic Carbon/KDF 85...RFK3-4520-SD85RF$249.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, GAC, and Carbon Block Filters
$166.00Experience cleaner, fresher water with the 20-inch High Flow 3 Stage Filter Kit. Designed for optimal performance, this replacement filter set ensures your 20" filter system delivers pristine...RFK3-4520-SDGCCB$166.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, GAC/KDF 85, and Carbon Block
$239.00The 5 micron sediment filter is a 100% polypropylene filter containing graded density that provides higher dirt holding capacity than standard spun polypropylene and string wound cartridges. The...RFK3-4520-SD85CB$239.00 -
20-inch High Flow 3 Stage Filter Kit with Sediment, GAC/KDF55, and Carbon Block Filters
$169.00Transform your water quality with the 20-inch 3 Stage Filter Kit, designed for superior filtration and cleaner, better-tasting water in your home. This comprehensive replacement filter set includes...RFK3-4520-SD55CB$169.00 -
20-Inch High-Flow 2 Stage Filter Kit with Sediment Filter & LayneRT Filters - For Arsenic Filtration
$279.00Transform your water purification system with the 20-inch High Flow 2 Stage Filter Kit featuring a sediment filter and LayneRT technology. This superior filtration system is the ideal solution for...RFK2-4520-SDRT$279.00 -
20-inch Lead-Cyst-Heavy Metal Reduction Single Canister Big Blue Whole House Filter
$229.00The Matrikx Pb1 filter provides 0.5 micron nominal filtration along with reduction of lead, chlorine, cyst, heavy metals and a wide range of chemicals. Product Features Complete...CF1-4520-Pb$229.00 -
20-inch pH Filter Slimline
$39.00The 20" pH filter contains calcite that dissolves slowly in water to neutralize acid. It also contains GAC for optimal flow and treatment of tastes and odors. Product Features pH...PH-2520$39.00 -
20-inch Sediment and Carbon Block 2 Stage Filter Kit
$89.00Replacement filter set for 2 stage Big Blue 20-inch filter system. Includes the carbon block filter and sediment filter. Filters need replaced at least once a year, every 6 months is average for...RFK2-4520-SDCB$89.00 -
20-inch Sediment Filter - 5-micron
$16.0020" slimline 5 micron sediment filter Product Features 5µ Removes particulates as small as 5 microns Replaces SED205 Identical product, updated part number Standard 20" Fits...SD-2520-5$16.00