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. KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  2. CR1-20 KX MatrikX Comparable Whole House Carbon Water Filter by Tier1

    CR1-20 KX MatrikX Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 20 x 2.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

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

    CHLORPLUS-20 Pentek Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 20 x 2.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  4. KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1

    KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  5. MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1

    MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  6. P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    $21.99 MSRP:  $41.99
  7. D-250A Culligan Comparable Under Sink Water Filter Set by Tier1

    D-250A Culligan Comparable Under Sink Water Filter Set 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

  8. P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    P-250 Pentek Comparable Under Sink Water Filter Set 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

  9. 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

  10. WHKF-GAC AP117 Whirlpool Comparable Whole House Sediment Water Filter by Tier1

    WHKF-GAC AP117 Whirlpool 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
  11. 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

  12. FXSVC GE SmartWater Comparable Undersink Filter Set by Tier1

    FXSVC GE SmartWater Comparable Undersink Filter Set by Tier1

    Fits various brands of under-sink housings, including GE Learn More

    As Low As $0.00 Per Filter

  13. 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

  14. 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

  15. 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

  16. 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

  17. FX12P GE SmartWater Comparable Reverse Osmosis Filter by Tier1

    FX12P GE SmartWater Comparable Reverse Osmosis Filter by Tier1

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with PNRV12, GXRV10, or GXRM10 Learn More

    As Low As $11.99 Per Filter

  18. Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Perfect for well water applications with the potential for microorganisms Learn More
    $13.99 MSRP:  $17.12
  19. CFBC-10 Pentek Whole House Carbon Block Water Filter

    CFBC-10 Pentek Whole House Carbon Block Water Filter

    Fits in housings that accept 10 x 2-1/2 inch replacement filters Learn More
    $13.99
  20. Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    Standard 10 inch by 2.5 inch size fits many under sink filter housings Learn More
    $22.99 MSRP:  $24.71
  21. 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. GXRLQR GE Comparable Inline Water Filter By Tier1

    GXRLQR GE Comparable Inline Water Filter Replacement By Tier1

    Fits the GE SmartWater GXRLQ filter system Learn More

    As Low As $25.00 Per Filter

  23. 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge

    3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge By Tier1

    Fits the 3US-AS01 3M Filtrete Undersink Filter System Learn More

    As Low As $0.00 Per Filter

  24. KWF1000 Miele Refrigerator Water Filter

    KWF1000 Miele Refrigerator Water Filter

    Fits Miele brand refrigerators Learn More
  25. 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 MSRP:  $35.06

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