Discount Water Filters and Air Filters at Discount Filter Store.com

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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

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  1. W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge

    W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $17.99
  2. 3M Aqua-Pure AP110-2C Whole House Water Filter Cartridge

    AP110-2C 3M Aqua-Pure Whole House Water Filter Cartridge

    Fits 3M Aqua-Pure whole house water filtration systems that accept 20 x 2.5 inch filters Learn More
  3. CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge

    CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge

    Fits Culligan HD-950, and any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $17.99
  4. R50-BBSa-D Culligan Level 1 Whole House Filter Replacement Cartridge

    R50-BBSa-D Culligan Whole House Water Filter Replacement Cartridge

    Fits into the Culligan HD-950 whole house water filtration system and any other brand of filtration systems that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $18.99 MSRP:  $22.34
  5. 3WH-HDPL-F01 Filtrete Replacement Filter Cartridge
  6. 4WH-HDGR-F01 Filtrete Replacement Filter Cartridge
  7. 4WH-STDGR-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  8. 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green

    22110 Hydrologic SmallBoy Carbon Filter (Green)

    Fits filtration system housings that use 10 inch by 2.5 inch filter Learn More
    $18.99
  9. CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $15.69 MSRP:  $23.99
  10. SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-3005 Hydronix Whole House Sediment Filter Cartridge

    Fits most filtration system housings that accept 30-inch x 2.5-inch water filter cartridges Learn More
    $12.89
  11. SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $17.34
  12. SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $17.34
  13. SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $14.99 MSRP:  $18.34
  14. GAC-20 Pentek Replacement Filter Cartridge

    GAC-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More
    $18.49 MSRP:  $29.99
  15. P1-30 Pentek Whole House Replacement Sediment Filter Cartridge

    P1-30 Pentek Whole House Sediment Water Filter

    Fits most water filtration system housings that accept standard 30-inch x 2.5-inch filter cartridges Learn More
    $13.99 MSRP:  $14.13
  16. P5-30 Pentek Whole House Replacement Sediment Filter Cartridge

    P5-30 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept standard 30-inch x 2.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $14.13
  17. PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 40-inch x 2.5-inch water filter cartridges Learn More
    $18.99 MSRP:  $20.00
  18. PD-25-30 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-25-30 Pentek Whole House Replacement Sediment Filter

    Fits most water filtration system housings that accept 30-inch x 2.5-inch cartridges Learn More
    $16.99
  19. PD-5-40 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-5-40 Pentek Whole House Sediment Filter Cartridge

    Fits most standard filtration system housings that accept 40-inch x 2.5-inch water filter cartridges Learn More
    $18.99 MSRP:  $24.34
  20. SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  21. SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing
  22. WP10BB97P Pentek Whole House Filter Replacement Cartridge

    WP10BB97P Pentek Whole House Filter Replacement Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $19.99
  23. WP1BB97P Pentek Replacement Filter Cartridge

    WP1BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $17.99
  24. WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $18.99 MSRP:  $24.14
  25. WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $19.99 MSRP:  $24.14

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