AFWFilters
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20-inch Big Blue 2 Stage Filter Kit with Sediment Filter & Catalytic Carbon/KDF-85 Filter
$179.00The 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...RFK2-4520-SD85$179.00 -
20-inch Big Blue 2 Stage Filter Kit with Sediment Filter & LayneRT
$279.00Replacement or upgrade for standard Big Blue systems Sediment filter - 5-micron LayneRT filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. The initial sediment filter...RFK2-4520-SDRT$279.00 -
20-inch Big Blue 3 Stage Filter Kit with CatCarb/KDF 85, Activated Alumina, and Sediment Filters
$289.00The 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...RFK3-4520-85AASD$289.00 -
20-inch Big Blue 3 Stage Filter Kit with GAC/KDF 55, Activated Alumina, and Sediment Filters
$259.00The 5 micron sediment filter is a 100% polypropylene filter contains graded density that provides higher dirt holding capacity than standard spun polypropylene and string wound cartridges. The...RFK3-4520-SD55AA$259.00 -
20-inch Big Blue 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" BB Sediment Filter The 5 micron sediment filter is a...RFK3-4520-SDAABC$329.00 -
20-inch Big Blue 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 Big Blue 3 Stage Filter Kit with Sediment, Activated Alumina, and Radial Flow Carbon Filter
$235.00The 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-SDAARF$235.00 -
20-inch Big Blue 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" BB Sediment Filter The 5 micron sediment...RFK3-4520-SDCBPb$239.00 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, Carbon Block, and Nitrate Filters
$356.00Replacement or upgrade for standard Big Blue systems Sediment filter - 5-micron Carbon block filter Nitrate filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. The...RFK3-4520-SDCBNT$356.00 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, GAC, and Carbon Block Filters
$166.00Replacement filter set for 3 stage Big Blue 20" filter system. Includes the carbon block filter, GAC (granular activated carbon) filter, and sediment filter. Filters need replaced at least once a...RFK3-4520-SDGCCB$166.00 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, GAC/KDF 85, and Carbon Block
$235.00The 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$235.00 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, GAC/KDF 85, and Radial Flow Carbon
$245.00The 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-SD85RF$245.00 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, GAC/KDF55, and Carbon Block Filters
$169.00Replacement filter set for 3 stage Big Blue 20" filter system. Includes the carbon block filter, GAC/KDF55 filter, and sediment filter. Filters need replaced at least once a year, every 6 months is...RFK3-4520-SD55CB$169.00 -
20-inch Big Blue DI Filter
$88.00Replacement filter set for the 2 stage Big Blue 20" filter system includes two DI filters. Product Features 20" Big Blue DI Big Blue Deionization filter for ultra pure water Common...DI-4520$88.00 -
20-inch Big Blue PENTEK Filter Housing with 1-inch Ports & Pressure Release (150233)
$79.00The Pentek 20" Big Blue HFPP 1" Filter Housing (150233) features 1" NPT ports and a pressure release button. The Pentek housing is ideal for residential, commercial, and industrial filtration where...HS-4520-150233$79.00