Replacement Filters
Now offering yearly filter replacement subscriptions!
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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 -
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 -
2 Stage Big Blue Filter Kit 4.5" x 20" Bone Char and Radial Flow Carbon
$229.00Replacement or upgrade for standard Big Blue systems Bone Char Carbon filter Radial Flow Carbon filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. Bone char carbon is typically used to reduce fluoride, arsenic, radioactive...RFK2-4520-BCRF$229.00 -
Big Blue 20-inch Catalytic Carbon/5# KDF 85 Filter
$179.00The Big Blue 20" Catalytic Carbon/KDF 85 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF-85 media enables the filter to remove iron AND hydrogen sulfide. Paired with the catalytic...CC-4520-855$179.00 -
Big Blue 10-inch Sediment Filter - 1-micron
$29.0010" Big Blue 1 micron sediment filter Product Features 1µ Removes particulates as small as 1 micron Big Blue 10" Fits Big Blue housings used on some whole house filter systems Removes sediment Traps dirt, sand, and...SD-4510-1$29.00 -
CanPro 4-cartridge system with KDF85 and Fleck 2510/5600 adapter
$139.00CanPro 4-cartridge system with KDF85 and Fleck 2510/5600 adapterCanPro-4F-85$139.00 -
20-inch Big Blue 2 Stage Filter Kit with Activated Alumina & KDF 55
$219.00Replacement filter set for the 2 stage Big Blue 20" filter system includes activated alumina filter and radial flow carbon. The activated alumina filter reduces or removes fluoride and arsenic in your water without adding anything harmful. The radial...RFK2-4520-55AA$219.00 -
Big Blue 20-inch Empty Cartridge Shell
$26.00The Big Blue 20" empty cartridge shell allows you to make your own custom whole house filter to treat exactly what you want in your water. Or, you can save money and refill it after the media is exhausted several times over. It includes the shell,...EC-4520$26.00 -
10-inch Big Blue 2 Stage Filter Kit with Radial Flow Carbon and Sediment
$68.00Replacement filter set for 2 stage Big Blue 10" filter system. Includes a radial flow carbon filter and sediment filter. Filters need replaced at least once a year, every 6 months is average for most homes. Product Features 10" BB Radial Flow...RFK2-4510-RFSD$68.00 -
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 100% polypropylene filter and contains graded density...RFK3-4520-SDAABC$329.00 -
20-inch GAC/KDF 55 Filter
$59.00The 20" GAC/KDF 55 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF 55 media enables the filter to remove heavy metals, including lead, mercury, and iron. The filter measures 2...GC-2520-55$59.00 -
10-inch Slimline Phosphate Filter for Scale Prevention
$49.00The 10" phosphate filter contains a slow-melt polyphosphate that dissolves slowly in water to inhibit scale and rust build-up. This type of treatment is recommended for use with ice machines, coffee and vending machines, food service equipment, water...PO-2510$49.00 -
Big Blue 20-inch Matrikx Pb1 Lead Filter
$159.00The Matrikx Pb1 filter provides 0.5 micron nominal filtration along with reduction of lead, chlorine, cyst, heavy metals and a wide range of chemicals. Filter is ~4.5"x20" and fits standard Big Blue filter housings Product Features Matrikx 0.5...KX-4520-Pb1$159.00 -
Replacement Filter Kit for Merlin and PRF systems
$52.00Replacement Filter Kit Kit includes both the carbon prefilter and inline post filter Standard carbon prefilter measures 17" x 2 3/4" Inline post filter with 3/8" quick connect fittings measures 10" x 2 3/4" Prefilters on the Merlin and Pentair...MRO-FK$52.00