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. W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W20CLA American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)

    Built to fit into American Plumber W34-PR, WC34-PR and WVC34 whole house water filtration systems, in addition to most standard size water filtration system housings Learn More
    $11.99 MSRP:  $15.34
  2. 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
  3. W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $12.99 MSRP:  $16.34
  4. W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.04
  5. W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)

    W30W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $12.99 MSRP:  $16.34
  6. W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.39
  7. W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 MSRP:  $17.34
  8. W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $12.99 MSRP:  $16.34
  9. W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 MSRP:  $17.34
  10. WCC American Plumber Undersink Filter Replacement Cartridge

    WCC American Plumber Undersink Filter Replacement Cartridge

    Fits American Plumber W38-PR and most standard size water filter housings Learn More
    $19.99 MSRP:  $26.44
  11. WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR, WVC34, WH34, ST-1, ST-2, ST-3 and most standard size water filter housings Learn More
    $14.99 MSRP:  $18.34
  12. 3M Aqua-Pure AP110 Whole House Water Filter Cartridge

    3M Aqua-Pure AP110 Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $11.99 MSRP:  $18.14
  13. 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
  14. AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge

    AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
  15. 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 MSRP:  $17.24
  16. C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-316 and most 4 7/8-inch x 2 1/2-inch size water filters Learn More
  17. 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
  18. CW-F-D Culligan Level 3 Whole House Filter Replacement Cartridge (2-Pack)

    CW-F-D Culligan Level 3 Whole House Filter Replacement Cartridge (2-Pack)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $13.99 MSRP:  $17.34
  19. D-10-TWIN Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    D-10A Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-550, US-600, US-600A, SY-2000, SY-2100, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $17.99
  20. D-15 Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    D-15 Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-550, US-600, US-600A, RO-3000, RO-3500, RVF-10 and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $19.59 MSRP:  $29.99
  21. D-20A Culligan Level 1 Undersink Water Filter Replacement Cartridge

    D-20A Culligan Level 1 Undersink Filter Replacement Cartridge

    Fits Culligan US-550, US-600, US-600A, RO-2127, RO-3000, RO-3500, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $15.39 MSRP:  $23.99
  22. P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)

    P1-D Culligan Whole House Water Filter Replacement Cartridge (2-Pack)

    Fits Culligan HF-150, HF-160, HF-360 HF-365, and any brand of whole house water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $11.99 MSRP:  $12.98
  23. P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)

    P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $11.99 MSRP:  $15.34
  24. 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
  25. RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge

    RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge

    Fits Culligan Fulflo, WC12, LCA, WS-12, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 MSRP:  $17.24

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