Big Blue Filter Kits
Now offering yearly filter replacement subscriptions!
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20-inch Big Blue 2 Stage Filter Kit
$89.00Replacement filter set for 2 stage Big Blue 20-inch filter system. Includes the carbon block filter and sediment filter. Filters need replaced at least once a year, every 6 months is average for most homes. Product Features Replaces...RFK2-4520-SDCB$89.00 -
10-inch Big Blue 2 Stage Filter Kit
$59.00Replacement filter set for 2 stage Big Blue 10" filter system. Includes the carbon block filter and sediment filter. Filters need replaced at least once a year, every 6 months is average for most homes. Product Features Replaces...RFK2-4510-SDCB$59.00 -
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 DI Filter
$88.00Replacement 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 Common Size Filters Fits Big Blue 20" filter housings. The...DI-4520$88.00 -
2 Stage Big Blue Filter Kit 4.5" x 20" Sediment and pH
$109.00Replacement or upgrade for standard Big Blue systems Sediment filter pH 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. The pH filter...RFK2-4520-SDPH$109.00