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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. AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    Fits standard 10 x 2.5 inch residential and industrial housings Learn More
    $16.99 Retail Price:  $22.99
  2. 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
  3. IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  4. 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4021 sized membranes Learn More
    $223.99 Retail Price:  $232.99
  5. 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    Sized 21 inches (length) x 3.95 inches (outside diameter) Learn More
    $162.05 Retail Price:  $223.99
  6. 200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

    200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

    Fits Axeon housings that accept 21-inch x 4 inch membranes Learn More
    $199.99 Retail Price:  $232.29
  7. Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    Proprietary design fits Pentek QC systems exclusively Learn More
    $22.99 Retail Price:  $31.04
  8. GXRTDR GE Inline Water Filter Cartridge Comparable By Tier1

    GXRTDR GE Universal Inline Water Filter Cartridge Comparable By Tier1

    Fits many plastic or copper water lines Learn More

    As Low As $15.33 Per Filter

  9. Tier1 Replacement for the AquaPure C-Complete Under Sink Water Filter Cartridge

    Tier1 Replacement for the AquaPure C-Complete Under Sink Water Filter Cartridge

    Fits the Aqua-Pure Easy Complete Drinking Water Filtration System Learn More

    As Low As $51.00 Per Filter

  10. AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $37.99
  11. 8171414 (top-freezer, quarter-turn, inside-the-fridge) Whirlpool Refrigerator Water Filter

    8171414 Whirlpool Refrigerator Water Filter

    Fits Whirlpool, KitchenAid, and Kenmore refrigerators with a round plastic filter located inside the refrigerator compartment Learn More
  12. 8212652 Maytag PuriClean IV Refrigerator Water Filter

    8212652 Maytag PuriClean IV Refrigerator Water Filter

    Fits Amana, Maytag, and Jenn-Air side-by-side refrigerators with a quarter-turn filter in the grille at the bottom of the fridge Learn More
  13. 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    Fits Elkay and Halsey-Taylor Water Sentry VII drinking fountains Learn More
  14. 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    Built to fit into American Plumber WIC-600 and DW-600 undersink water filtration systems Learn More
    $31.99 Retail Price:  $35.06
  15. DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    Fits American Plumber DW-1200, DW-2000 and select Culligan systems Learn More
    $59.99 Retail Price:  $61.28
  16. 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
  17. WIC-6A American Plumber Inline Icemaker Filter

    WIC-6A American Plumber Inline Icemaker Filter

    $13.99 Retail Price:  $14.94
  18. 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
  19. AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    For use in 3M Aqua-Pure reverse osmosis water filtration systems Learn More
    $23.99 Retail Price:  $30.23
  20. 3M Aqua-Pure AP-250R Under Sink Water Filter

    AP-250R 3M Aqua-Pure Undersink Water Filter Cartridge

    Fits 3M Aqua-Pure undersink water filtration systems Learn More
    $29.99 Retail Price:  $41.39
  21. 3M Aqua-Pure AP317 Water Filter Replacement Cartridge

    AP317 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $52.99 Retail Price:  $66.69
  22. 3M Aqua-Pure AP5527 Reverse Osmosis Filter

    AP5527 3M Aqua-Pure Reverse Osmosis Pre and Post Filter Set

    Fits 3M Aqua-Pure RO5000 and RO5500 reverse osmosis water filter systems Learn More
    $78.99 Retail Price:  $82.50
  23. 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 Retail Price:  $34.49
  24. 3M Aqua-Pure AP-C77 Undersink Filter Replacement Cartridge

    AP-C77 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
  25. 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

Items 1 to 25 of 382 total

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