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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

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  1. ECP5-20 Pentek Replacement Filter Cartridge

    ECP5-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $14.99
  2. ECP5-20BB Pentek Whole House Filter Replacement Cartridge

    ECP5-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $25.99 Retail Price:  $27.13
  3. ECP5-BB Pentek Whole House Filter Replacement Cartridge

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $16.99 Retail Price:  $19.34
  4. EP-10 Pentek Replacement Filter Cartridge

    EP-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More
    $12.99 Retail Price:  $15.34
  5. EP-20 Pentek Replacement Filter Cartridge

    EP-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More
    $18.99 Retail Price:  $20.00
  6. EP-20BB Pentek Replacement Filter Cartridge

    EP-20BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $48.99
  7. EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $28.99 Retail Price:  $35.64
  8. RS4-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)

    RS4-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  9. DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $44.99 Retail Price:  $57.95
  10. DGD-5005 Pentek Whole House Filter Replacement Cartridge

    DGD-5005 Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More
    $15.99 Retail Price:  $20.00
  11. DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More
    $21.99 Retail Price:  $34.49
  12. MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $31.99 Retail Price:  $32.19
  13. MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $32.99
  14. MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $70.99
  15. PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge

    PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $13.99 Retail Price:  $15.34
  16. WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)

    WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)

    Fits standard 2-1/2 inch by 10 inch filter housings Learn More
    $11.99 Retail Price:  $14.34
  17. TO1SS OmniFilter Whole House Filter Replacement Cartridge

    TO1SS OmniFilter Whole House Water Filter Replacement Cartridge

    Designed to fit into any brand of whole house water filtration system that accepts standard 9 3/4 x 2 1/2 inch cartridges Learn More
    $12.99 Retail Price:  $15.34
  18. TO6 OmniFilter Whole House Filter Replacement Cartridge

    TO6-SS2-S06 OmniFilter Whole House Water Filter Replacement Cartridge

    Fits into any brand of whole house water filtration system that accepts filter cartridges sized 9 3/4 x 4 1/2 inches Learn More
    $22.99 Retail Price:  $24.14
  19. 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge

    47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $27.99 Retail Price:  $34.49
  20. 47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge

    47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge

    Fits 3M Cuno Water Factory SQC3 and SQC3OT reverse osmosis systems Learn More
    $27.99 Retail Price:  $36.79
  21. MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge

    MAXETW-FF20 Watts C-MAX Whole House Water Filter Cartridge

    Fits 20-inch x 4.5-inch water filtration system housings Learn More
    $70.99 Retail Price:  $74.74
  22. RS15 OmniFilter Whole House Replacement Filter Cartridge

    RS15 OmniFilter Whole House Water Filter Cartridge Replacement

    Fits into most industry standard size 10-inch whole house water filtration system housings Learn More
    $17.99 Retail Price:  $18.39
  23. RS2DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)

    RS2DS OmniFilter Whole House Replacement Water Filter Cartridge (2-Pack)

    Fits into most industry standard 10-inch water filtration system housings Learn More
    $9.99 Retail Price:  $11.03
  24. C1-20 Pentek Replacement Filter Cartridge

    C1-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $17.99 Retail Price:  $20.34
  25. CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $13.99 Retail Price:  $16.34

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