Replacement Filter Kits
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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 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 -
20-inch Big Blue 3 Stage Filter Kit with Sediment, Activated Alumina, and Bone Char
$309.003-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$309.00 -
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 -
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 -
3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, Bone Char, and Activated Alumina
$309.00Replacement or upgrade for standard Big Blue systems Sediment filter Bone Char Carbon filter Activated Alumina filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. Sediment filter removes a wide range of dirt and particulate,...RFK3-4520-SDBCAA$309.00 -
20-inch Big Blue 2 Stage Filter Kit with Sediment and Bone Char
$169.00Standard 4.5-inch x 20-inch filters 5 micron sediment filter Bone char carbon filter Reduced sediment, tastes, odors, chemicals, fluoride, arsenic, radioactive particles, and most trace heavy metals Typically lasts 6-12 months in most...RFK2-4520-SDBC$169.00 -
RO Zoi Iota Pure Filter Kit (incl. UV Bulb)
$159.00This filter set is designed for the Zoi Iota 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 alkaline filter,...DFK-Iota$159.00 -
Portable RO Mikro Epsilon 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-Epsilon$33.00 -
2 Stage Big Blue Filter Kit 4.5" x 20" Sediment and Catalytic Carbon
$139.00Replacement or upgrade for standard Big Blue systems Sediment filter Catalytic Carbon filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. Sediment filter removes a wide range of dirt and particulate, increasing water clarity...RFK2-4520-SDCC$139.00 -
20-inch Big Blue 2 Stage Filter Kit with Dual DI Filters
$169.00Replacement 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 Second 20" Big Blue DI Second Big Blue Deionization filter for...RFK2-4520-DIDI$169.00 -
RFK3-4520-SDPH85
$249.00Replacement filter kit includes 4.5" x 20" sediment filter 4.5" x 20" ph filter 4.5" x 20" GAC/KDF85 filterRFK3-4520-PH85SD$249.00 -
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 Filters should be changed at least once a year. The membrane should be...DFK-PT-5GR$69.00 -
2 Stage Big Blue Filter Kit 4.5" x 20" Bone Char and Radial Flow Carbon
$209.00Replacement 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$209.00 -
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 GAC/KDF 85 filter contains 4.0 lbs. of KDF-85 media,...RFK3-4520-SD85CB$235.00