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. WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1

    WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  2. MAXETW-975 Watts Comparable C-MAX Replacement Water Filter Cartridge by Tier1

    MAXETW-975 Watts Comparable C-MAX Replacement Water Filter Cartridge by Tier1

    Fits into most industry standard 10-inch water filtration system housings Learn More

    As Low As $0.00 Per Filter

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

    EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    Fits standard 20 x 2.5-inch housings Learn More
    $11.99 MSRP:  $20.99
  4. 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
    $11.99 MSRP:  $15.99
  5. 20 Ounce Clear Water Bottle with Blue Infuser by Tier1
  6. D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1

    D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  7. WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1

    3WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  8. D-40 Culligan Comparable Undersink Water Filter Replacement Cartridge by Tier1

    D-40 Culligan Comparable Undersink Water Filter Replacement Cartridge by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  9. CB1-SS6-S06 OmniFilter Comparable Undersink Water Filter Cartridge by Tier1

    CB1-SS6-S06 OmniFilter Comparable Undersink Water Filter Cartridge by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  10. RFC-20 Pentek Comparable Whole House Filter Replacement Cartridge by Tier1

    RFC-20 Pentek Comparable Whole House Filter Replacement Cartridge by Tier1

    Fits standard 20 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  11. CB-25-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1

    CB-25-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1

    Fits standard 20 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  12. CB3-SS6-06 OmniFilter Comparable Undersink Filter Replacement Cartridge by Tier1

    CB3-SS6-06 OmniFilter Comparable Undersink Filter Replacement Cartridge by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  13. FXUTC GE SmartWater Comparable Undersink Filter Replacement Cartridge by Tier1

    FXUTC GE SmartWater Comparable Undersink Filter Replacement Cartridge by Tier1

    Fits standard sized housings that take 10 x 2-1/2 inch replacement filters Learn More

    As Low As $0.00 Per Filter

  14. Brita Orange Filtered Water Bottle

    Brita Orange Filtered Water Bottle

    $12.99 MSRP:  $29.89
  15. ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1

    ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  16. W30PE American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    W30PE American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More

    As Low As $12.99 Per Filter

  17. WHKF-WHPL Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1 (2-Pack)

    WHKF-WHPL Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1 (2-Pack)

    Fits standard 2-1/2 inch by 10 inch filter housings Learn More

    As Low As $12.99 Per Filter

  18. 67401 Aquamira Water Purifier Tablets (24-Pack)
  19. 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 MSRP:  $18.99
  20. DGD-7525 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1

    DGD-7525 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1

    Fits standard filter housings using 10 x 4.5-inch filters Learn More

    As Low As $0.00 Per Filter

  21. AP420 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1(2-Pack)

    AP420 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1(2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $7.99 Per Filter

  22. ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $11.60 Per Filter

  23. AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  24. APS117 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier1

    APS117 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  25. D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1

    D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

Items 1 to 25 of 729 total

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