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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  1. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $126.05 MSRP:  $171.99
  2. WFPF13003B DuPont Universal Whole House Filtration System

    WFPF13003B DuPont Universal Whole House Filtration System

    For use with DuPont WFPFC whole house filter cartridges Learn More
  3. WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    Fits standard 10 inch by 4.5 inch filter cartridges Learn More
    $62.99 MSRP:  $79.96
  4. 1833-0001 WaterBrick 3.5 Gallon Stackable Water and Food Storage
  5. 1833-0005 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  6. WB-0001 WaterBrick Ventless Spigot Assembly
  7. 35735 Brita Pacifica Pitcher Filter System
  8. Pentek 150236 Big Blue Heavy Duty Filter Housing

    Pentek 150236 Big Blue Heavy Duty Filter Housing

    Receives any standard 20 inch by 4.5 inch filter cartridge Learn More
    $58.99 MSRP:  $73.99
  9. 150240 Pentek 10-inch Big Blue Housing
  10. Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Accepts standard 10 x 4.5-inch filters Learn More
    $59.99 MSRP:  $75.99
  11. Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    Receives any standard 10 inch by 2.5 inch filter cartridge Learn More
    $12.99 MSRP:  $15.34
  12. Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Fits the Nubo 57-1432 filter bottle Learn More
    $17.99 MSRP:  $20.34
  13. Pentek 150070 20 inch Blue Standard Filter Housing

    Pentek 150070 20 inch Blue Standard Filter Housing

    Standard size accepts thousands of 20 inch by 2.5 inch filter cartridges Learn More
    $36.99 MSRP:  $43.69
  14. ATLANTIS-BLUE-PITCHER Brita 48-Ounce Water Pitcher
  15. 3WH-HD-S01 Filtrete Whole House Sump System
  16. 3WH-STD-S01 Filtrete Whole House Sump System
  17. 4WH-QCTO-S01 Filtrete Whole House Filter System
  18. 4WH-QS-S01 Filtrete Whole House Filter System
  19. 150235 Pentek Whole House Filter System

    150235 Pentek Whole House Filter System

    Fits standard 1.5-inch water lines Learn More
    $64.99 MSRP:  $73.36
  20. 150574 Pentek Filter Housing - Blue

    150574 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $33.99 MSRP:  $34.26
  21. 150576 Pentek Filter Housing - Blue

    150576 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $38.99 MSRP:  $48.52
  22. 153001 Pentek Filter Housing Sump - Blue

    153001 Pentek Filter Housing Sump - Blue

    Fits the cap of Pentek 153001, Culligan 153008, Culligan HF-150, and #10 blue (not clear) housings of any inlet/outlet size Learn More
    $22.99 MSRP:  $28.74
  23. 153017 Pentek Slim Line Filter Housing Sump - Blue

    153017 Pentek Slim Line Filter Housing Sump - Blue

    Fits the cap of SY-5197 10-inch Slim Line Housings, as well as other countertop and undersink systems Learn More
    $11.29 MSRP:  $15.28
  24. 153029 Pentek Filter Housing Sump

    153029 Pentek Filter Housing Sump

    Fits the cap of Pentek and Culligan HD-950, and #10 Big Blue (not clear) housings of any inlet/outlet size Learn More
    $32.99 MSRP:  $40.24
  25. 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    Fits the cap of #20 Big Blue (not clear) housings of any inlet or outlet size Learn More
    $51.99 MSRP:  $57.95

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