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. 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
  2. W10-PR American Plumber Whole House Filter System
  3. 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    Fits 3M Aqua-Pure AP430 and AP430-SS filtered hot water systems Learn More
    $30.99 MSRP:  $49.56
  4. 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 MSRP:  $34.49
  5. CFS01S Cuno Whole House Filter Housing
  6. CFS02S Cuno Whole House Filter Housing
  7. CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

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

    CFS22 Cuno Whole House Filter Housing

    $128.99 MSRP:  $148.34
  9. 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
  10. IC-101L Pentek Inline Filter

    IC-101L Pentek Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $12.99
  11. TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $13.19 MSRP:  $20.99
  12. 650683 Trojan UV Max UV Water Purification System

    650683 Trojan UV Max UV Water Purification System

    Fits standard 1-inch water lines Learn More
  13. 650686 Trojan UV Max UV Water Purification System

    650686 Trojan UV Max UV Water Purification System

    Fits standard 1-inch water lines Learn More
  14. 650690 Trojan UV Max UV Water Purification System

    650690 Trojan UV Max UV Water Purification System

    Fits standard 3/4-inch water lines Learn More
  15. 650692 Trojan UV Max UV Water Purification System

    650692 Trojan UV Max UV Water Purification System

    Fits standard 3/4-inch water lines Learn More
  16. 650695 Trojan UV Max UV Water Purification System

    650695 Trojan UV Max UV Water Purification System

    Fits standard 3/4-inch water lines Learn More
  17. BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    Fits standard 1-inch NPS supply threads. Uses 4.5x10 inch replacement filter cartridges. Learn More
    $69.99 MSRP:  $82.79
  18. CL10ROT33-B Omnipure Inline Filter

    CL10ROT33-B Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $12.19 MSRP:  $16.99
  19. CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $9.99 MSRP:  $13.79
  20. CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    Fits standard 1/4-inch water lines Learn More
    $11.09 MSRP:  $21.99
  21. CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    Fits standard 3/8-inch water lines Learn More
    $8.99 MSRP:  $12.64
  22. IHS12-D4 Trojan UV Disinfection System

    IHS12-D4 Trojan UV Disinfection System

    Uses a 10-inch Big Blue 5-micron sediment filter and a 20-inch Big Blue 5-micron carbon block filter before the UV treatment chamber Learn More
  23. 650694 Trojan UVMAX D4 UV Disinfection System

    650694 Trojan UVMAX D4 UV Disinfection System

    Comes complete with UV lamp, quartz sleeve and system controller Learn More
  24. 650682 Trojan UVMAX E4 UV Disinfection System

    650682 Trojan UVMAX E4 UV Disinfection System

    Comes complete with UV lamp, quartz sleeve and system controller Learn More
  25. 650687 Trojan UVMAX F4 Plus UV Disinfection System

    650687 Trojan UVMAX F4 Plus UV Disinfection System

    Comes complete with UV lamp, quartz sleeve, system controller and sensor Learn More

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