Replacement Filters
Now offering yearly filter replacement subscriptions!
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3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, Bone Char, Radial Flow Carbon
$249.00Replacement filter set for the 3 stage Big Blue 20" filter system includes sediment, bone char and radial flow carbon filters. Product Features 20" BB Sediment Filter The 5 micron sediment filter is a 100% polypropylene filter contains graded...RFK3-4520-SDBCRF$249.00 -
20-inch x 2.5-inch Slimline 3 Stage Filter Kit with Sediment-GAC-Carbon Block Filters
$79.00Replacement filter set for 3 stage slimline whole house filter system. Includes carbon block, GAC and sediment filters. Filters need replaced at least once a year, every 6 months is average for most homes. Product Features 20" Sediment...RFK3-2520-SDGCCB$79.00 -
4-Stage Reverse Osmosis Filter Kit
$39.00This filter set is designed for the 4-stage reverse osmosis (RO) system. The standard size filters work in most reverse osmosis systems and includes a 5 micron sediment filter, a 5 micron carbon block filter, and an inline GAC taste and odor polishing...DFK-4$39.00 -
Portable RO Mikro Delta Filter Kit (Former Psi filter fit)
$58.00This filter set is designed for the Mikro Psi (Mighty Mite w/ DI) portable RO system. The inline filters work with most reverse osmosis systems available as well, and includes an inline GAC filter, an inline sediment filter, and an inline DI filter,...PFK-Delta$58.00 -
RO Zoi Eta Pure Filter Kit (incl. UV Bulb)
$103.00This filter set is designed for the Zoi Eta Pure system. The standard size filters work in most reverse osmosis systems available as well, and includes a 5 micron sediment filter, a GAC filter, a 5 micron carbon block filter, an inline DI filter, an...DFK-Eta$103.00 -
3 stage big blue filter kit 4.5" x 20" sediment, bone char, carbon block
$244.003 Stage Big Blue Replacement Filter Kit Sediment, carbon block, and bone char 5-micron sediment filter 5-micron carbon block filter Bone char filter Reduces sediment Reduces a wide range of tastes, odors, and chemicals Reduces fluoride, arsenic,...RFK3-4520-SDCBBC$244.00 -
20-inch Big Blue 2 Stage Filter Kit with Activated Alumina & Sediment Filter
$159.00Replacement filter set for the 2 stage Big Blue 20" filter system includes activated alumina filter and carbon block. The activated alumina filter removes removes fluoride, lead, and arsenic from your water without adding anything harmful. The carbon...RFK2-4520-AASD$159.00 -
3-Stage Activated Alumina & KDF55 Filter Kit (for DWF3-2510-SDAA55)
$79.00Replacement filter set for the DWF-3-AAKDF. Includes sediment, activated alumina, and GAC/KDF55 filters. Standard filter size fits common 10" housings. Product Features 10" 1µ Sediment 1 micron sediment filter for particulates 10"...RFK3-2510-SDAA55$79.00 -
Replacement Carbon Prefilter - For Merlin and PRF systems
$69.00Carbon Prefilter Fits Merlin and Pentair PRF systems Measures 17" x 2 3/4" The prefilter on the GE Merlin and Pentair PRF reverse osmosis systems should be changed every 6-12 months to prolong the life of the membranes.MRO-CAB$69.00 -
10-inch Color-changing DI Filter
$39.00Standard 10" Color-changing DI Filter Product Features DI Deionization resin for removal of up to 99.9% of contaminants Color-changing Resin Color-changing resin helps to indicate when it is time to be replaced Standard 10" Common size...DI-2510$39.00 -
Big Blue 20-inch Filter for Arsenic
$229.00Arsenic Removal Filter Big Blue 4.5-inch x 20-inch style High arsenic removal capacity Minimal flow restriction Standard 4.5-inch x 20-inch filter size Big Blue filter with arsenic specific resin offers excellent removal of Arsenic with...AS-4520$229.00 -
Inline 3/8-inch Carbon Taste & Odor Post Filter - 2-inch x 10-inch
$29.00Inline Carbon Taste & Odor Post Filter w/ 3/8-inch Quick Connect Fittings Product Features GAC Granular activated carbon inline filter is great for removal of chlorine, chloramine, tastes, odors, and chemicals Taste & Odor Post Filter Standard...GC-2010-38Q$29.00 -
RO/DI Psarion Chi Reef Filter Kit (replaces UDIFK-2)
$90.00Filter set fits RO/DI Deluxe systems. Includes sediment, carbon, and 2 full size DI filters. Product Features Replaces UDIFK-2 Identical product, updated part number 10" 1µ Sediment 1 micron sediment filter for particulates 10" Carbon...AFK-Chi$90.00 -
10-inch Pb1 0.5-micron Carbon Filter for Lead, VOC and Cyst Reduction
$27.00For chlorine, taste, odor, VOC, Cyst and lead reduction 0.5 micron nominal filtration Formulated for cyst and heavy metal reduction Low pressure drop Matrikx Pb1 filter powered by GreenBloxk is make from 100% coconut shell carbon. Designed...CB-2510-Pb1$27.00 -
20-inch Big Blue 2 Stage Filter Kit with Activated Alumina & Radial Flow Carbon
$199.00Replacement filter set for the 2 stage Big Blue 20" filter system includes activated alumina filter and radial flow carbon. The activated alumina filter removes removes fluoride, lead, and arsenic from your water without adding anything harmful. The...RFK2-4520-AARF$199.00