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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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  1. EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 20 x 4.5-inch housings Learn More
    $41.99 Retail Price:  $47.99
  2. 3M Aqua-Pure AP817 Whole House Water Filter Cartridge

    AP817 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $49.99
  3. HF40-S Cuno Whole House Filter Replacement Cartridge

    HF40-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $105.99 Retail Price:  $123.04
  4. HF45-S Cuno Whole House Filter Replacement Cartridge

    HF45-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $103.99 Retail Price:  $120.39
  5. HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $138.99 Retail Price:  $160.99
  6. HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $127.99 Retail Price:  $148.80
  7. HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More

    Regular Price: $133.99

    Special Price: $112.05

  8. FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $41.99 Retail Price:  $42.54
  9. 22006 Hydrologic BigBoy Replacement Carbon Filter - Green

    22006 Hydrologic BigBoy Carbon Filter (Green)

    Regular Price: $80.99

    Special Price: $45.05

  10. CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $43.99 Retail Price:  $49.44
  11. CFBC-20 Pentek Replacement Filter Cartridge

    CFBC-20 Pentek Replacement Water Filter Cartridge

    Fits into most standard water filtration system housings that accept 20-inch x 2.5-inch cartridges Learn More
    $23.49 Retail Price:  $29.31
  12. EPM-20BB Pentek Whole House Filter Replacement Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More
    $44.99 Retail Price:  $54.04
  13. FLOPLUS-10BB Pentek Replacement Filter Cartridge

    FLOPLUS-10BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $45.99 Retail Price:  $48.52
  14. GAC20-BB Pentek Whole House Filter Replacement Cartridge

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $45.99 Retail Price:  $56.80
  15. RFC-BB Pentek Whole House Filter Replacement Cartridge - 1

    RFC-BB Pentek Whole House Water Filter Cartridge Replacement

    Fits water filtration system housings by Pentek, Culligan, Pentair, Ametek, US Filter, Kleen Plus, Bruner, American Plumber, Plymouth and more that accept 9-3/4 x 4-1/2 inch filter cartridges Learn More
    $30.99 Retail Price:  $35.64
  16. GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    Fits hydroponic garden hoses. Learn More

    Regular Price: $64.99

    Special Price: $57.05

  17. NC-7 Rainshowr New Century Non-Cartridge Shower Filter System

    NC-7 Rainshowr New Century Non-Cartridge Shower Filter System

    Fits most residential showers and baths Learn More
    $61.99 Retail Price:  $64.34
  18. RS6 OmniFilter Whole House Filter Replacement Cartridge

    RS6-SS2-S06 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $18.99 Retail Price:  $21.34
  19. SF100 OmniFilter Shower-Soft Inline Shower Filter

    SF100 OmniFilter Shower-Soft Inline Shower Filter

    Built to fit onto any standard 1/2-inch threaded shower arm Learn More
    $29.99 Retail Price:  $35.64
  20. BB-WH Sprite Filtered Bath Ball - White

    BB-WH Sprite Bath Ball Filter (White)

    Attaches easily onto any bath faucet Learn More
    $31.99 Retail Price:  $34.34
  21. FPIR-BB-20 Watts Whole House Replacement Filter Cartridge

    FPIR-BB-20 Watts Whole House Iron Water Filter Cartridge

    For use in water filtration system housings that use a 20-inch x 4.5-inch filter Learn More
    $109.99 Retail Price:  $114.99
  22. 1040 Katadyn Camping Water Filter Kit

    1040 Katadyn Camping Water Filter Kit

    Fits the Katadyn KFT Expedition Camping Filtration System Learn More
    $199.95 Retail Price:  $232.24
  23. 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95 Retail Price:  $367.94
  24. 8016389 Katadyn Camping Filter System

    8016389 Katadyn Camping Filter System

    $1,499.95 Retail Price:  $1727.24
  25. MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $30.99

Items 1 to 25 of 42 total

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