Replacement Filter Kits
Now offering yearly filter replacement subscriptions!
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3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, KDF85, Bone Char
$279.005-micron sediment filter Reduces dirt and particulates Catalytic carbon/KDF85 filter Reduces rotten egg odor, as well as a wide range of tastes, odors, and chemicals Bone char carbon filter Reduces arsenic, fluoride, and radioactive...RFK3-4520-SD85BC$279.00 -
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 Big Blue 2 Stage Filter Kit with Activated Alumina & Carbon Block
$179.00Replacement 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-AACB$179.00 -
Portable RO Mikro Omega Filter Kit
$49.00This filter set is designed for the Mikro Omega portable RO system. The inline filters work with most reverse osmosis systems available as well, and includes an inline GAC filter and an inline DI filter, both with 1/4" quick-connect fittings. Reverse...PFK-Omega$49.00 -
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 -
Aqua Clear Pre-Filter Kit
$45.00Improved pre-filter set fits standard drinking water RO systems. Includes 1 micron sediment, 1 micron carbon, and GAC/KDF. Product Features 10" 1µ Sediment 1 micron sediment filter for particulates 10" GAC/KDF Granular activated carbon...DFK-AC-PRE$45.00 -
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 -
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 -
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 -
Replacement filter kit for Green Machine RO and GRO 5 stage RO
$69.00Replacement kit for Green Machine 5 stage RO systems and GRO 5 stage RO systems. Includes: 1 - 5 micron sediment filter 2 - green block carbon block filters 1 - Inline GAC post filter 3 - O-rings 1 - Filter Housing Wrench Filters should be changed at...DFK-PT-5GR$69.00 -
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 -
20-inch Big Blue 2 Stage Filter Kit with Bone Char-GAC/KDF55
$249.00Replacement filter set for the 2 stage Big Blue 20" filter system includes activated bone char and GAC/KDF55 filters. The bone char filter reduces fluoride and arsenic in your water along with a wide range of radioactive particles, tastes, and odors...RFK2-4520-BC55$249.00 -
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 activated alumina filter removes lower levels of both...RFK3-4520-SDAACB$219.00