Replacement Filters
Now offering yearly filter replacement subscriptions!
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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 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 -
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 Pleated Sediment Filter
$27.0020" Big Blue 5 micron sediment filter Product Features Pleated for high flow and great holding capacity Removes particulates 4.5" x 20" standard big blue replacement size Fits Big Blue housings used on some whole house filter systems Removes...SD-4520-PL50$27.00 -
LayneRT 4.5" x 20" Replacement Filter
$269.00LayneRT Arsenic Removal Filter Big Blue 4.5-inch x 20-inch High arsenic removal capacity Minimal flow restriction Standard 4.5-inch x 20-inch filter size Big Blue 20" filter with LayneRT resin offers excellent removal of Arsenic with less flow...RT-4520$269.00 -
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 -
Big Blue 10-inch Activated Alumina Filter for Fluoride, Arsenic, and Lead
$109.00The Big Blue 10" Activated Alumina filter can be used to replace a current filter or upgrade your current 10" Big Blue filter system. The activated alumina filter reduces lead, arsenic, and fluoride in your water without adding any harmful chemicals or...AA-4510$109.00 -
20-inch Catalytic Carbon/KDF 85 Filter
$64.00The 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 heavy metals, including lead, mercury, and iron as well as low...CC-2520-85$64.00 -
20-inch Slimline Phosphate Filter for Scale Prevention
$79.00The 20" 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-2520$79.00 -
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 -
Hydronix Inline Sediment Filter - 2-inch x 10-inch
$19.00Inline Sediment Filter w/ Quick Connect Fittings Product Features Sediment Sediment filter is great for removal of sediment, sand, and large particles Pre-filtration Standard inline sediment filter great for portable pre-filtration...SD-2010-14F$19.00 -
20-inch Big Blue 2 Stage Filter Kit with Sediment and Bone Char
$189.00Standard 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$189.00 -
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 -
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