Replacement Filters
Now offering yearly filter replacement subscriptions!
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Microline Reverse Osmosis RO Water Filter Set
$89.00All filters are genuine replacements. Filter kit includes the following: (1) S7025 - Microline Granulated Activated Carbon Cartridge (1) S7028 - Microline Sediment/Carbon Block Cartridge (1) S7206W-JG - Microline Inline 6" Cartridge with John Guest...MICRO-FK$89.00 -
Twist Loc GAC Filter Replacement Cartridge for Nelsen Twist Loc RO Systems
$39.00Replacement granulated activated carbon (GAC) filter cartridge. This filter is used on Nelsen Twist Loc RO systems. This would replacement the carbon block pre-filter on your system.Twist-GAC$39.00 -
Portable RO Mikro Gamma Filter Kit
$33.00This filter set is designed for the Mikro Epsilon portable RO system. The inline filters work with most reverse osmosis systems available as well, and includes an inline GAC filter and an inline Calcite pH filter, both with 1/4" quick-connect fittings...PFK-Gamma$33.00 -
Microline Reverse Osmosis RO Water Filter Set with 50 GPD Membrane
$139.00All filters are genuine replacements. Filter kit includes the following: (1) S7025 - Microline Granulated Activated Carbon Cartridge (1) S7028 - Microline Sediment/Carbon Block Cartridge (1) S7206W-JG - Microline Inline 6" Cartridge with John Guest...MICRO-FILTERMBKIT$139.00 -
LayneRT 4.5" x 10" Replacement Filter
$229.00LayneRT Arsenic Removal Filter Big Blue 4.5-inch x 10-inch High arsenic removal capacity Minimal flow restriction Standard 4.5-inch x 10-inch filter size Big Blue 10" filter with LayneRT resin offers excellent removal of Arsenic with less...RT-4510$229.00 -
20-Inch 2 Stage Filter Kit - Sediment & AdEdge Bayoxide E33 Filter Cartridges
$229.00This comprehensive kit includes a high-performance sediment filter and the advanced AdEdge E33 Bayoxide filter, providing superior protection against harmful contaminants. Designed as a replacement or upgrade for your standard 20" systems, this filter...RFK2-4520-SD33$229.00 -
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 homes and businesses seeking clean, safe, and...RFK2-4520-SDRT$279.00 -
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 initial sediment filter reduces sand, sediment, dirt, and...RFK3-4520-SDCBNT$356.00 -
Pentair GRO-50EN Encapsulated Membrane, 50 GPD with Check Valve and Drain Line Flow Control Included
$101.00The Pentair GRO-50EN is a 50-gallon-per-day encapsulated reverse osmosis membrane designed for residential and small commercial RO systems. This membrane is exceptionally water-efficient, offering up to 100% water savings compared to conventional...MB-GRO$101.00 -
4.5-inch x 10-inch Radial Flow Carbon Filter; For Sediment, Chlorine, Chemicals and More
$59.00Enhance your water filtration system with our 4.5-inch x 10-inch Radial Flow Carbon Filter, specifically engineered to eliminate sediment, chlorine, chemicals, and unpleasant tastes and odors. This filter combines innovative design with efficient...RF-4510$59.00 -
LayneRT 2.5" x 10" Replacement Filter - Fits in Standard Filter Housings for Drinking Water Systems
$89.00LayneRT Arsenic Removal Filter Big Blue 2.5-inch x 10-inch High arsenic removal capacity Minimal flow restriction Standard 2.5-inch x 10-inch filter size - fits in most drinking water systems that utilize standard-sized filters. 2.5" x 10" filter...RT-2510$89.00 -
Pioneer 0.5 Micron Carbon Block, High Capacity, Lead, Cyst, Chloramine, & CTO Reduction (NSF 53 & 42)
$359.00The Pioneer™ lead and cyst filtration system is a first-of-its-kind whole-house lead removal system. This point-of-entry (POE) filtration system starts at the source and gives peace of mind throughout the entire home. Soluble lead is invisible,...CT-05-CB-AMCYL$359.00 -
3 Stage Big Blue Filter Kit 4.5" x 20" pH, KDF 55, and KDF 85
$313.00Replacement or upgrade for standard Big Blue systems pH filter KDF 55 filter KDF 85 filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. The pH filter is calcite based and neutralizes acid (ph <7) in the water. The KDF 55...RFK3-4520-PH5585$313.00 -
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 filter is a 100% polypropylene filter that contains...RFK3-4520-SDCBPb$239.00 -
10-inch Green Carbon Filter for Small Boy 22110
$24.00Earth friendly green carbon filter manufactured through a process requiring less energy than standard carbon filters Product Features Green Carbon Block Manufactured process uses reduced heat and byproduct recycling for an earth friendly...CB-2510-22110$24.00