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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 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

Items 1 to 25 of 38 total

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  1. Aqua-Pure AP-GRMB-20PP-20 Whole House Water Filter Replacement

    Aqua-Pure AP-GRMB-20PP-20 Whole House Water Filter Replacement

    Fits most standard 20 inch x 2 1/2 inch housings Learn More
    $11.99
  2. AP-GRMB-20PP-10UB Whole House Replacement Filter by Aqua-Pure

    AP-GRMB-20PP-10UB Whole House Replacement Filter by Aqua-Pure

    Fits most standard 10-inch x 2.5-inch housings Learn More
    $7.99
  3. WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    Fits standard 10 inch by 4.5 inch filter cartridges Learn More
    $62.99 Retail Price:  $79.96
  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 Retail Price:  $27.04
  5. 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 Retail Price:  $21.16
  6. 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
    $9.99 Retail Price:  $12.64
  7. 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
    $16.99 Retail Price:  $17.24
  8. W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    Fits American Plumber W2010-PR and W2015-PR and most other 20-inch heavy duty water filter housings Learn More
    $28.99 Retail Price:  $35.64
  9. S1A-D Culligan Level 2 Whole House Filter Replacement Cartridge (2-Pack)

    S1A-D Culligan Level 2 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
  10. HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge

    HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge

    Fits any industry standard housing that accepts 4.5-inch by 20-inch replacement filters. Learn More
    $30.99 Retail Price:  $34.37
  11. 22010 Hydrologic BigBoy Replacement Sediment Filter

    22010 Hydrologic BigBoy Sediment Filter

    $47.99 Retail Price:  $57.49
  12. SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $2.39 Retail Price:  $5.05
  13. 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
    $6.99
  14. SDC-45-1020 Hydronix Whole House Replacement 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
    $11.99 Retail Price:  $12.64
  15. GAC20-BB Pentek Whole House Filter Replacement Cartridge

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $47.39 Retail Price:  $56.80
  16. PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge

    PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $2.59 Retail Price:  $5.28
  17. PS20-20C Pentek Whole House Replacement Sediment Filter Cartridge

    PS20-20C Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $7.19 Retail Price:  $10.57
  18. S1 Pentek Whole House Filter Replacement Cartridge

    S1 Pentek Whole House Replacement Water Filter Cartridge

    Fits any standard water filtration system housing that uses 9 3/4-inch x 2 1/2-inch cartridges Learn More
    $7.99
  19. S1-20 Pentek Whole House Filter Replacement Cartridge

    S1-20 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $10.99 Retail Price:  $12.75
  20. S1-20BB Pentek Whole House Filter Replacement Cartridge

    S1-20BB Pentek Whole House Filter Replacement Cartridge

    Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $16.49 Retail Price:  $21.26
  21. S1-BB Pentek Replacement Filter Cartridge

    S1-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $9.99 Retail Price:  $12.29
  22. RS1-SS OmniFilter Whole House Filter Replacement Cartridge - front

    RS1-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $7.99
  23. RS3-SS OmniFilter Whole House Filter Replacement Cartridge

    RS3-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  24. P20-20BB Tier1 Whole House Replacement Sediment Filter Cartridge

    P20-20BB Tier1 Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $18.59 Retail Price:  $31.04
  25. FPMB-BB20-10 Watts Flo-Pro Whole House Replacement Filter Cartridge

    FPMB-BB20-10 Watts Flo-Pro Whole House Water Filter Cartridge

    Fits most standard water filtration system housings requiring a 9 3/4-inch x 4 1/2-inch filter Learn More
    $14.99

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