Discount Water Filters and Air Filters at Discount Filter

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Whole House Water Filters & Systems

Choose from over 100+ whole house water filters from some of the industry’s top brands including, Pentek, Rusco, Culligan and more. Whole house water filter systems are placed on the main water line entering your home, and designed to remove rust, sediment, chlorine and other chemical contaminants from all water entering your home. So no matter where you are in your house, whether it’s the guest bedroom shower, outside hose, kitchen or bathroom sink, you and your family can have clean, healthy and great tasting water.

Not only does a whole house water filter give you the luxury of clean great tasting water from every faucet in the house it can also help extend the life of appliances that use water, such as dishwashers, water heaters and washing machines, because it removes the sediment, chlorine and other contaminants that would otherwise be entering those appliances.

Not looking for a whole house water filter, check out huge selection of:

Faucet-mounted filters

Under sink water filters

Shower filtration systems

Countertop water filter systems

Water filter pitchers

17 Item(s)

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  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • NCP-BB Pentek Whole House Water Filter

    NCP-BB Pentek Whole House Filter Replacement Cartridge

    $32.99 MSRP: $36.34
    Save 9%
  • W5CIP American Plumber Whole House Carbon Water Filter by Tier1
  • D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1
  • D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1
  • WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1
  • C1 Pentek Comparable Whole House Carbon Water Filter by Tier1


    MSRP: $66.69
    Save 34%
  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    MSRP: $66.48
    Save 16%
  • W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    MSRP: $60.87
    Save 11%
  • W9223026 Doulton Replacement Ceramic Filter


    MSRP: $20.69
    Save 18%
  • P-250A Pentek Undersink Filter Set
  • W9221000 Doulton Replacement Ceramic Filter

    W9221000 Doulton SuperSterasyl Replacement Ceramic Filter

    MSRP: $59.59
    Save 11%
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    MSRP: $82.65
    Save 14%
  • W9223021 Doulton Ceramic Water Filter

    W9223021 Doulton Ultracarb Ceramic Water Filter

    MSRP: $70.14
    Save 29%
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    MSRP: $131.09
    Save 15%

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