Discount Water Filters and Air Filters at Discount Filter Store.com

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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. WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    Fits any 1/4-inch water line Learn More
    $55.99 MSRP:  $58.34
  2. 3M Aqua-Pure AP-C78 Water Filter Replacement Cartridge

    AP-C78 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
  3. C-COMPLETE 3M Aqua-Pure Undersink Water Filter

    C-COMPLETE 3M Aqua-Pure Undersink Water Filter Cartridge

    Fits the 3M Aqua-Pure Easy Complete Drinking Water Filtration System Learn More
    $69.09 MSRP:  $92.99
  4. C-CS-S 3M Aqua-Pure Undersink Water Filter

    C-CS-S 3M Aqua-Pure Undersink Water Filter Cartridge

    Fits the 3M Aqua-Pure Easy CS-S Water Filtration System Learn More
  5. C-LC 3M Aqua-Pure Undersink Water Filter

    C-LC 3M Aqua-Pure Undersink Water Filter Cartridge

    Fits the 3M Aqua-Pure Easy Drinking Water System, Easy LC and Easy LP Replacement Systems Learn More
    $50.99 MSRP:  $65.54
  6. 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    Fits Culligan SY1000, SY-1000s, IC-1000, RV-1000, SY-750s, IC-750, and RV-750 filter systems Learn More
    $29.79 MSRP:  $43.99
  7. D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

    D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge

    Fits Culligan US-550, US-600, US-600A, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $34.99 MSRP:  $50.99
  8. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  9. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  10. IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  11. RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-3, US-EZ-3, and RV-EZ-3 Learn More
    $24.99 MSRP:  $31.04
  12. RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-4, US-EZ-4, and RV-EZ-4 Learn More
    $45.19 MSRP:  $78.99
  13. RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  14. SY-1000 Culligan Water Filtration System

    SY-1000 Culligan Water Filtration System

    Fits standard 1/4-inch water lines Learn More
  15. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System
  16. US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System
  17. DA29-00003F Samsung Aqua-Pure Plus Refrigerator Water Filter

    DA29-00003F Samsung Aqua-Pure Plus Refrigerator Water Filter

    Fits Samsung refrigerators with a short round filter, and replaces the "B" model which was recently discontinued Learn More
  18. W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $54.59 MSRP:  $73.99
  19. EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge

    EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge

    Fits Professional Series 1500 Drinking Water Systems Learn More
    $71.99 MSRP:  $80.78
  20. EV9592-06 Everpure ADC RV and Marine Water Filter Replacement Cartridge

    EV9592-06 Everpure ADC RV and Marine Water Filter Replacement Cartridge

    Fits Everpure QL2-WPS, QL3-WPS and other Everpure filter heads Learn More
    $39.99 MSRP:  $45.05
  21. EV9720-06 Everpure S-54 Replacement Filter Cartridge

    EV9634-26 Everpure S-54 Water Filter Cartridge

    Fits onto Everpure water filter heads including models QL1, QL2, QL3 and QL3B Learn More
    $59.99 MSRP:  $71.29
  22. THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    Fits the Everpure QC4-THM filter system Learn More
    $86.99 MSRP:  $106.94
  23. 4IL-CLC-S01 Filtrete Inline Refrigerator Water Filter
  24. 4IL-CTO-S01 Filtrete Inline Refrigerator Water Filter
  25. 4US-MAXL-F01 Filtrete Replacement Filter Cartridge

    4US-MAXL-F01 3M Filtrete Replacement Water Filter Cartridge

    Fits 3M Filtrete High Performance Drinking Water Filtration systems Learn More
    $32.89 MSRP:  $44.99

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