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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. FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1

    FXWTC GE Comparable Whole House Water Filter by Tier1 (2-Pack)

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More
    $10.99
  2. AMERICAN-PLUMBER-600R

    AMERICAN-PLUMBER-600R

    $31.99 Retail Price:  $35.06
  3. WCC American Plumber Undersink Filter Replacement Cartridge

    WCC American Plumber Undersink Filter Replacement Cartridge

    Fits American Plumber W38-PR and most standard size water filter housings Learn More
    $19.99 Retail Price:  $26.44
  4. WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    Fits American Plumber WGC478 Learn More
    $13.99 Retail Price:  $14.94
  5. 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 Retail Price:  $58.34
  6. 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
  7. AP-DW80/90 3M Aqua-Pure Water Filter Set

    AP-DW80/90 3M Aqua-Pure Pre and Post Filter Set

    Fits 3M Aqua-Pure water filter systems Learn More
    $116.99 Retail Price:  $198.46
  8. AQUAPURE-APIL3R

    AQUAPURE-APIL3R

    $40.99 Retail Price:  $45.41
  9. AQUAPURE-C-COMPLETE

    AQUAPURE-C-COMPLETE

    $66.99 Retail Price:  $88.54
  10. AQUAPURE-C-CS-S

    AQUAPURE-C-CS-S

    $37.99 Retail Price:  $42.54
  11. 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 Retail Price:  $65.54
  12. CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $43.99 Retail Price:  $66.69
  13. 01013029 Culligan Reverse Osmosis Filter Cartridge

    01013029 Culligan Reverse Osmosis Filter Cartridge

    Fits the Culligan Water Tower and similar reverse osmosis systems from other manufacturers Learn More
  14. CULLIGAN-1000R-D
  15. D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    Fits the Culligan SY-2300, SY-2300S and SY-2650 systems and any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $30.99 Retail Price:  $44.99
  16. 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
    $33.99 Retail Price:  $38.51
  17. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  18. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  19. IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  20. CULLIGAN-RC-EZ-3

    CULLIGAN-RC-EZ-3

    $24.99 Retail Price:  $31.04
  21. 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
    $40.99 Retail Price:  $50.59
  22. RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  23. SY-1000 Culligan Water Filtration System

    SY-1000 Culligan Water Filtration System

    Fits standard 1/4-inch water lines Learn More
  24. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System
  25. CULLIGAN-US-EZ-4

    CULLIGAN-US-EZ-4

    $77.99 Retail Price:  $86.24

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