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. 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
  2. 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
  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 MSRP:  $26.44
  4. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    $34.99 MSRP:  $47.99
  5. NCP-10 Culligan Whole House Filter Replacement Cartridge

    NCP-10 Culligan Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  6. RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
  7. W9222909 Doulton Imperial SuperCarb OBE Replacement Element

    W9222909 Doulton Imperial SuperCarb OBE Ceramic Water Filter

    Fits most standard 2.5-inch by 10-inch water filtration system housings Learn More
    $34.05 MSRP:  $59.71
  8. FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $23.69 MSRP:  $35.99
  9. GAC1SS OmniFilter Series C Undersink Filter Replacement Cartridge

    GAC1SS OmniFilter Undersink Water Filter Cartridge (Series C)

    Fits any brand of undersink water filtration system that accepts filter cartridges sized 9 3/4 x 2 1/2 Learn More
    $16.99
  10. 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    Fits 10 inch by 2.5 inch filtration system housings Learn More
    $8.99 MSRP:  $12.06
  11. 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green

    22110 Hydrologic SmallBoy Carbon Filter (Green)

    Fits filtration system housings that use 10 inch by 2.5 inch filter Learn More
    $18.99
  12. CB-25-1005 Hydronix Replacement Filter Cartridge

    CB-25-1005 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $10.49 MSRP:  $14.99
  13. EPM-10 Pentek Undersink Filter Replacement Cartridge

    EPM-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $9.99 MSRP:  $10.57
  14. FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More
    $14.99 MSRP:  $21.26
  15. GAC-10 Pentek Undersink Filter Replacement Cartridge

    GAC-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $13.29 MSRP:  $19.99
  16. TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $20.99 MSRP:  $24.60
  17. MAXETW-975 Watts C-MAX Replacement Filter Cartridge

    MAXETW-975 Watts C-MAX Replacement Water Filter Cartridge

    Fits water filtration system housings requiring a 9 3/4-inch x 2 7/8-inch filter Learn More
    $12.59 MSRP:  $18.99
  18. WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge

    WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $26.99
  19. MATRIKX-1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $19.59 MSRP:  $27.99
  20. MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
  21. MATRIKX-CTO2-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-CTO2-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $13.29 MSRP:  $19.99
  22. PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge

    PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $12.99 MSRP:  $15.34
  23. CBR2-10 Pentek Undersink Filter Replacement Cartridge

    CBR2-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $18.99
  24. CC-10 Pentek Undersink Filter Replacement Cartridge

    CC-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $15.39 MSRP:  $21.99
  25. CCBC-10 Pentek Undersink Filter Replacement Cartridge

    CCBC-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $19.59 MSRP:  $27.99

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