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. 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
  2. Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $11.99 MSRP:  $13.56
  3. P25-30 Comparable Polypropylene Sediment Filter by Tier1

    P25-30 Comparable Polypropylene Sediment Filter by Tier1

    Standard 30 inch by 2.5 inch size and double open end design fits many common filter housings. Also available in a variety of micron ratings and end cap styles. Learn More
    $11.49
  4. WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge

    WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge

    Fits WFHD13001B Universal Heavy Duty Whole House Filtration System and other brands of 10x4.5-inch filter systems Learn More
    $17.99 MSRP:  $27.04
  5. WFPFC8002 DuPont Universal Whole House Carbon Wrap Two-Phase Cartridge (2-pack)

    WFPFC8002 DuPont Universal Whole House Carbon Wrap Two-Phase Cartridge (2-Pack)

    Fits all DuPont Whole House Filter Systems Learn More
    $14.99 MSRP:  $19.99
  6. WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)

    WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)

    Fits DuPont Whole House Filter Systems and most other brands of 10 x 2.5-inch systems Learn More
    $13.99 MSRP:  $21.16
  7. Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH12 Clear 10-inch x 2.5-inch Filter Housing

    Receives any standard 10-inch by 2.5-inch filter cartridge Learn More
    $15.99 MSRP:  $22.99
  8. Hydronix SDC-45-1020 Sediment Filter Cartridge

    SDC-45-1020 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

    As Low As $13.50 Per Filter

  9. Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $11.70 Per Filter

  10. SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    9 7/8 inches by 4.5 inches. Fits filtration systems that use Liquatec SPF-45-1001, Pentek 255489-43 and Watts FM-BB-10-1 water filters Learn More

    As Low As $0.00 Per Filter

  11. SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    9 7/8 inches by 4.5 inches. Fits filtration systems that use Liquatec SPF-45-1001, Pentek 255489-43 and Watts FM-BB-10-1 water filters Learn More
    $15.99 MSRP:  $27.99
  12. Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $11.99
  13. Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $10.99 MSRP:  $11.37
  14. Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $12.99 MSRP:  $14.34
  15. Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $12.99 MSRP:  $14.34
  16. Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Standard 50 inch by 2.5 inch size fits many standard size filter housings Learn More
    $12.99 MSRP:  $14.34
  17. Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size and double open end design fits many common filter housings. Also available in a variety of micron ratings and end cap styles. Learn More
    $12.99 MSRP:  $14.34
  18. Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    Receives any standard 10 inch by 2.5 inch filter cartridge Learn More
    $12.99 MSRP:  $15.34
  19. Pentek PD-1-30 Polypropylene Sediment Filter

    Pentek PD-1-30 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size and double open end design fits many common filter housings Learn More
    $14.99
  20. Pentek 158623 Clear 3G Filter Housing

    Pentek 158623 Clear 3G Filter Housing

    Receives any standard 10 inch by 2.5 inch filter cartridge Learn More
    $19.99 MSRP:  $21.26
  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. SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $17.99
  23. 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
  24. PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    For industry standard filtration system housings that use 2.5-inch x 20-inch replacement filters Learn More
    $17.99
  25. FPMB20-20 Watts Flo-Pro Whole House Replacement Filter Cartridge

    FPMB20-20 Watts Flo-Pro Whole House Water Filter Cartridge

    Fits water filtration system housing that accept a 20-inch x 2.5-inch filter Learn More
    $17.99

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