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. ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    Fits standard 2-inch water lines Learn More
    $759.05 MSRP:  $1009.11
  2. 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
  3. 150564 Pentek Whole House Water Filter System (Clear/ Blue)

    150564 Pentek Whole House Water Filter System (Clear/ Blue)

    Fits Quick Connect 3/4-inch NPT Learn More
    $77.99
  4. 150072 Pentek 3/4-inch #10 Standard Blue/Clear Filter Housing

    150072 Pentek 3/4-inch #10 Standard Blue/Clear Filter Housing

    Fits 3/4-inch NPT inlet and outlet ports Learn More
    $27.99 MSRP:  $34.99
  5. 158098 Pentek Slim Line Water Filter Housing System

    158098 Pentek Slim Line Water Filter Housing System

    Fits 3/8-inch NPT Inlet / Outlet Connection Learn More
    $15.99 MSRP:  $19.99
  6. 158203 Pentek Slim Line Black/Blue w/PR Water Filter System

    158203 Pentek Slim Line Water Filter Housing

    Fits 1/2-inch Quick Connect NPT Learn More
    $16.99
  7. HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  8. HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  9. W10-PR American Plumber Whole House Filter System
  10. 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    Fits onto 3/4-inch NPT water lines Learn More
    $103.99 MSRP:  $137.99
  11. 3M Aqua-Pure AP430SS Water Heater Scale Inhibitor

    AP430SS 3M Aqua-Pure Water Heater Scale Inhibitor System

    Fits standard 3/4-inch water heater supply line. Learn More
    $70.99 MSRP:  $90.84
  12. 3M Aqua-Pure AP903 Water Filter System

    AP903 3M Aqua-Pure Water Filtration System

    Fits standard 1-inch pipe Learn More
    $239.99 MSRP:  $342.69
  13. 3M Aqua-Pure AP910R Water Filter

    AP910R 3M Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Aqua-Pure AP902 Water Filtration System Learn More
    $118.99 MSRP:  $128.79
  14. 3M Aqua-Pure AP917R Water Filter Cartridge

    AP917R 3M Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Aqua-Pure AP903 Water Filtration System Learn More
  15. CFS01S Cuno Whole House Filter Housing
  16. CFS02S Cuno Whole House Filter Housing
  17. CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99 MSRP:  $101.19
  18. CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99 MSRP:  $148.34
  19. OB5-S-05 OmniFilter Whole House Filter System

    OB5-S-05 OmniFilter Whole House Water Filtration System

    Built to fit onto standard 3/4-inch water lines. Uses 2.5x10 inch water filters. Learn More
    $29.99 MSRP:  $36.79
  20. HFPP-1-WPR10 Pentek Big Blue Whole House 10 inch Filter Housing
  21. HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  22. HFPP-34-PR-10 Pentek Big Blue Whole House 10 inch Filter Housing
  23. HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter Housing
  24. HFPP-1-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  25. HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter Housing

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