Replacement Filters
Now offering yearly filter replacement subscriptions!
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2 Stage Big Blue Filter Kit 4.5" x 20" Radial Flow Carbon and Scale Prevention
$229.00Replacement or upgrade for standard Big Blue systems Radial Flow Carbon filter Phosphate Scale Prevention filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters.The radial flow carbon offers 20-micron sediment filteration as well...RFK2-4520-RFPO$229.00 -
10-inch pH Calcite Filter
$29.00The 10" pH filter can be used to replace current filters or upgrade from existing filters. The calcite media enables the filter to neutralize acid to a more neutral level and adds beneficial minerals in the process. The filter measures 2.5-inch in...PH-2510$29.00 -
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 -
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 -
20-inch GAC Filter
$34.00The 20" GAC filter can be used to replace a current filter or upgrade from the carbon block filter. The filter measures 2.5-inch in diameter and 20-inch long and fits all standard 20-inch housings. Product Features GAC Granular activated...GC-2520$34.00 -
10-inch Green Carbon Filter for Triton RO DI 22150
$22.00Earth 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-2510-22150$22.00 -
$42.00
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20-inch Big Blue 2 Stage Filter Kit with Catalytic Carbon/KDF-85 and Radial Flow Carbon
$219.00Standard 4.5-inch x 20-inch filters Catalytic carbon/KDF 85 Radial Flow Carbon Reduces iron, hydrogen sulfide, heavy metals Reduces Chlorine, chemicals, tastes, and odors Radial flow filter to minimize flow restriction 6-12 month filter...RFK2-4520-85RF$219.00 -
Big Blue 10-inch Big Blue Phosphate Filter for Scale Prevention
$109.00The Big Blue 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...PO-4510$109.00 -
10-inch Catalytic Carbon KDF 85 Filter
$49.00The 10" GAC/KDF 55 filter can be used to replace current filters or upgrade from the carbon block or standard GAC filters. The KDF 55 media enables the filter to remove heavy metals, including iron, lead, and mercury. The filter measures 2.5-inch in...CC-2510-85$49.00 -
2 Stage Big Blue Filter Kit 4.5" x 20" pH and KDF 55
$169.00Replacement or upgrade for standard Big Blue systems pH filter KDF 55 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 filter is...RFK2-4520-PH55$169.00 -
20-inch pH Filter Slimline
$39.00The 20" pH filter contains calcite that dissolves slowly in water to neutralize acid. It also contains GAC for optimal flow and treatment of tastes and odors. Product Features pH Filter This filter is designed to treat low pH levels found in...PH-2520$39.00 -
20-inch Big Blue 2 Stage Filter Kit - Sediment and Nitrate
$303.00Replacement or upgrade for standard Big Blue systems Sediment filter - 5-micron Nitrate filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. The initial sediment filter reduces sand, sediment, dirt, and other particulates. The...RFK2-4520-SDNT$303.00 -
3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, pH, Radial Flow Carbon
$169.005-micron sediment filter pH neutralizing filter Radial flow carbon filter Standard 4.5-inch x 20-inch size Replacement filter kit for 3-stage Big Blue systems includes a sediment filter for dirt and particulates, pH filter for acidic water, and a...RFK3-4520-SDpHRF$169.00 -
20-inch Big Blue 2 Stage Filter Kit with Sediment & Matrikx Pb1 Filters
$179.00Replacement filter set for the 2 stage Big Blue 20" filter system includes sediment and Matrikx Pb1. Product Features 20" BB Sediment 5 micron Big Blue sediment filter for sand, sediment, and particulates 20" BB Matrikx Pb1 0.5 Micron...RFK2-4520-SDPb$179.00