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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. 655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement

    655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement

    Fits housings that take filters sized 10 x 2-1/2 Learn More
    $13.99 Retail Price:  $18.99
  2. 655148-43/DFX-CB-20 Pentek Diamond Polyspun Carbon Block Replacement

    655148-43/DFX-CB-20 Pentek Diamond Polyspun Carbon Block Replacement

    Fits housings that take filters sized 20 x 2-1/2 Learn More
    $23.99 Retail Price:  $30.99
  3. H2O+ Brondell Cypress Countertop Water Filtration System (#H630)

    H2O+ Brondell Cypress Countertop Water Filtration System (#H630)

    Fits onto 99% of standard water faucets Learn More
    $185.99 Retail Price:  $232.29
  4. HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    Fits the Brondell H2O+ Cypress countertop water filtration system (Model #H630) Learn More
    $31.99 Retail Price:  $37.94
  5. HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    Fits the Brondell H2O+ Cypress countertop water filtration system (Model H630) Learn More
    $49.99 Retail Price:  $60.94
  6. HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    Fits the Brondell H2O+ Cypress countertop water filtration system (Model H630) Learn More
    $31.99 Retail Price:  $36.79
  7. RWC-5 American Plumber Undersink Filter Replacement Cartridge

    RWC-5 American Plumber Undersink Filter Replacement Cartridge

    Fits most standard size water filter housings Learn More
  8. W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)

    W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)

    Fits American Plumber W385-PR Learn More
    $16.99 Retail Price:  $17.24
  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 Retail Price:  $18.50
  10. IL-IM-01 3M Aqua-Pure Inline Water Filter
  11. 750R-D Culligan Level 1 Undersink RV and Marine Icemaker and Drinking Water Filter

    750R-D Culligan Level 1 Undersink RV and Marine Icemaker and Drinking Water Filter

    Fits Culligan SY-750s, RV-750, IC-750, SY-1000, SY-1000s, RV-1000, and IC-1000 filter systems Learn More
    $17.99
  12. IC-100A Culligan Level 1 Disposable Inline Filter
  13. IC-750 Culligan Inline Filter

    IC-750 Culligan Inline Filter

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

    RC-EZ-1 Culligan Level 1 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-1, US-EZ-1, and RV-EZ-1 Learn More
    $15.99 Retail Price:  $22.99
  16. RV-EZ-1 Culligan Level 1 Easy-Change RV Inline Filter System
  17. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  18. US-EZ-1 Culligan Level 1 Easy-Change Undersink Filter System
  19. CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 8000 Series Replacement Cartridges Learn More

    Regular Price: $76.99

    Special Price: $62.05

  20. CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 8000 Series Replacement Cartridges Learn More
    $52.05 Retail Price:  $61.97
  21. CFS8720-S Cuno Whole House Filter Replacement Cartridge

    CFS8720-S Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 8000 Series Replacement Cartridges Learn More
    $58.05 Retail Price:  $64.39
  22. CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 9000 Series Replacement Cartridges or the Everpure QL Series filter heads Learn More

    Regular Price: $50.05

    Special Price: $45.05

  23. CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    Fits the Cuno CS-511 and CUNO CS-711 filter systems Learn More
    $57.99 Retail Price:  $60.94
  24. HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS 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: $65.99

    Special Price: $50.05

  25. W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    Fits the RIO 2000 High-Flow Multi-Candle filter module Learn More
    $104.99 Retail Price:  $118.30

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