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. CBC-10 Pentek Replacement Water Filter

    Pentek CBC-10 Water Filter Replacement Cartridge

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

    As Low As $15.00 Per Filter

  2. Culligan D30 Comparable Carbon Block Whole House Water Filter by Tier1

    Culligan D30 Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More
    $11.99 MSRP:  $36.99
  3. CBC-10 Pentek Comparable Replacement Filter Cartridge by Tier1

    CBC-10 Pentek Comparable Replacement Filter Cartridge by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  4. CBR2-10 Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    CBR2-10 Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  5. Floplus 10 Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    Floplus 10 Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  6. D-30 Culligan Comparable Carbon Block Whole House Water Filter by Tier1

    D-30 Culligan Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  7. CBR2-10R Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    CBR2-10R Pentek Comparable Carbon Block Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  8. CHLORPLUS-10 Pentek Comparable Whole House Water Filter by Tier1

    CHLORPLUS-10 Pentek Comparable Whole House Water Filter by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  9. FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More
    $14.99 MSRP:  $21.26
  10. Whirlpool WHKF-GAC Undersink Replacement Water Filter Cartridge

    WHKF-GAC Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $10.99 MSRP:  $20.34
  11. MATRIKX-CR1-10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CR1-10 KX Technologies MatrikX 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
    $14.99 MSRP:  $20.34
  12. CBR2-10 Pentek Undersink Filter Replacement Cartridge

    CBR2-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $18.99
  13. CBR2-10R Pentek Undersink Filter Replacement Cartridge

    CBR2-10R Pentek Undersink Filter Replacement Cartridge

    Fits Pentek under-sink filter housings and any housing that uses standard 9 3/4-inch by 2 1/2-inch filter cartridges Learn More
    $19.59 MSRP:  $27.99
  14. CBU-10 Pentek Whole House Filter Replacement Cartridge

    CBU-10 Pentek Whole House Filter Replacement Cartridge

    Fits the UVS-110 and UV-110 Ultraviolet units only Learn More
    $19.99 MSRP:  $21.95
  15. Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Perfect for well water applications with the potential for microorganisms Learn More
    $13.99 MSRP:  $17.12
  16. 06-250-125-050 KX Technologies Whole House Replacement Filter Cartridge

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