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Replacement Filters

Replacement Filters

Now offering yearly filter replacement subscriptions!

  • Big Blue 20-inch Empty Cartridge Shell

    Big Blue 20-inch Empty Cartridge Shell

    $26.00
    The 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 Color-changing DI Filter

    10-inch Color-changing DI Filter

    $39.00
    Standard 10" Color-changing DI Filter Product Features DI Deionization resin for removal of up to 99.9% of contaminants Color-changing Resin Color-changing resin helps to indicate when it is time to be replaced Standard 10" Common size...
    DI-2510
    $39.00
  • 20-inch GAC/KDF 55 Filter

    20-inch GAC/KDF 55 Filter

    $59.00
    The 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
  • Big Blue 20-inch GAC/5# KDF 55 Filter

    Big Blue 20-inch GAC/5# KDF 55 Filter

    $139.00
    The Big Blue 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...
    GC-4520-555
    $139.00