Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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GAC Carbon In Bulk

GAC Carbon Granular Activated Carbon In Bulk. Re-bed your carbon tank or water filter.
  1. Empty Filter Housing Refill-10-STD
    Empty Filter Housing Refill-10-STD
    Refillable 10" Standard Size Filter Cartridge - Refill with Bulk Media such as KDF, Mineralizes, calcite, carbon blends, etc Learn More
    $9.99
Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.