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. AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    Fits standard 10 x 2.5 inch residential and industrial housings Learn More
    $16.99 MSRP:  $22.99
  2. 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    Fits 1/4-inch inline shut-off valve Learn More
    $59.99 MSRP:  $64.99
  3. Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge

    Pentek ChlorPlus-10 Whole House Carbon Block Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $18.00 Per Filter

  4. Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

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

    As Low As $7.80 Per Filter

  5. EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings Learn More

    As Low As $7.50 Per Filter

  6. Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

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

    As Low As $19.66 Per Filter

  7. 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

  8. 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    Built to fit into American Plumber WIC-600 and DW-600 undersink water filtration systems Learn More
    $31.99 MSRP:  $35.06
  9. WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    Fits any 1/4-inch water line Learn More
    $14.09 MSRP:  $18.50
  10. 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
  11. 3M Aqua-Pure APIL3R Inline Water Filter

    APIL3R 3M Aqua-Pure Inline Water Filter Cartridge

    Fits the 3M Aqua-Pure APIL3 inline water filtration system Learn More
  12. EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    For use in 3M Aqua-Pure and Everpure whole house water filtration systems Learn More
    $69.99 MSRP:  $82.79
  13. EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    Fits the 3M Aqua-Pure/Everpure H-104, H-200 and H-220 whole house water filtration systems Learn More
    $91.99 MSRP:  $111.54
  14. IL-IM-01 3M Aqua-Pure Inline Water Filter
  15. C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-316 and most 4 7/8-inch x 2 1/2-inch size water filters Learn More
  16. P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service ScaleGuard Pro Softening Systems SGP-124B and SGP-248B Learn More
    $97.05 MSRP:  $128.79
  17. SWC1350 Cuno Whole House Filter Replacement Cartridge

    SWC1350 Cuno Whole House Water Filter Cartridge

    For use with the Cuno Food Service CFS6090-C and CFS6135-C Water Treatment Systems Learn More
    $67.99 MSRP:  $81.64
  18. SWC1350-C Cuno Whole House Filter Replacement Cartridge

    SWC1350-C Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service CFS6090-C and CFS6135-C Water Treatment Systems Learn More
    $60.99 MSRP:  $81.64
  19. GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    Fits the GE Merlin Reverse Osmosis System Learn More
    $18.99 MSRP:  $27.99
  20. W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    Fits pressurized Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Only Learn More
    $46.99 MSRP:  $54.26
  21. W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    Fits all Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $55.81 MSRP:  $66.48
  22. W9142010 Doulton Replacement Ceramic Filter
  23. W9223026 Doulton Replacement Ceramic Filter

    W9223026 Doulton Replacement Ceramic Filter

    Fits standard 10-inch filter housings, including systems with Franke Triflow faucets, FRXH1 and FRXS2 and many others Learn More
  24. FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge
  25. FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane

    FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane

    Fits GE Profile SmartWater Ultra Plus reverse osmosis filter systems Learn More
    $76.99 MSRP:  $79.99

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