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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Items 1 to 48 of 334 total

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

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

    $16.99
    MSRP: $22.99
    Save 26%
  • 655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement
  • Frigidaire EPTWFU01 Refrigerator Water Filter Combo with PAULTRA Air Filter
  • GXRTDR GE Inline Water Filter Cartridge Comparable By Tier1
  • Tier1 Replacement for the AquaPure C-Complete Under Sink Water Filter Cartridge
  • 30006 New Wave Enviro Imperial CeraUltra Cartridge

    30006 New Wave Enviro Imperial CeraUltra Cartridge

    $79.99
    MSRP: $84.00
    Save 5%
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $37.39
    MSRP: $50.99
    Save 27%
  • 8171414 (top-freezer, quarter-turn, inside-the-fridge) Whirlpool Refrigerator Water Filter
  • 8212652 Maytag PuriClean IV Refrigerator Water Filter
  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99
    MSRP: $35.06
    Save 9%
  • DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    $59.99
    MSRP: $61.28
    Save 2%
  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99
    MSRP: $58.34
    Save 4%
  • WIC-6A American Plumber Inline Icemaker Filter

    WIC-6A American Plumber Inline Icemaker Filter

    $13.99
    MSRP: $14.94
    Save 6%
  • WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    3M Aqua-Pure AP117RO Reverse Osmosis Filter

    $25.49
    MSRP: $38.99
    Save 35%
  • 3M Aqua-Pure AP-250R Under Sink Water Filter

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

    $30.79
    MSRP: $47.99
    Save 36%
  • 3M Aqua-Pure AP317 Water Filter Replacement Cartridge

    AP317 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $54.39
    MSRP: $78.99
    Save 31%
  • 3M Aqua-Pure AP5527 Reverse Osmosis Filter
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • 3M Aqua-Pure AP-C77 Undersink Filter Replacement Cartridge
  • 3M Aqua-Pure AP-C78 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge

    AP-DW70 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $47.99
    MSRP: $56.34
    Save 15%
  • 3M Aqua-Pure AP-DW85 Water Filter Replacement Cartridge

    AP-DW85 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $56.39
    MSRP: $75.99
    Save 26%
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • C-COMPLETE 3M Aqua-Pure Undersink Water Filter

    C-COMPLETE 3M Aqua-Pure Undersink Water Filter Cartridge

    $68.79
    MSRP: $92.99
    Save 26%
  • C-CS-S 3M Aqua-Pure Undersink Water Filter

    C-CS-S 3M Aqua-Pure Undersink Water Filter Cartridge

    $37.39
    MSRP: $50.99
    Save 27%
  • C-LC 3M Aqua-Pure Undersink Water Filter

    C-LC 3M Aqua-Pure Undersink Water Filter Cartridge

    $50.99
    MSRP: $65.54
    Save 22%
  • EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    $69.99
    MSRP: $82.79
    Save 15%
  • EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    $91.99
    MSRP: $111.54
    Save 18%
  • IL-IM-01 3M Aqua-Pure Inline Water Filter

    IL-IM-01 3M Aqua-Pure Inline Water Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • 750R-D Culligan Level 1 Undersink RV and Marine Icemaker and Drinking Water Filter
  • C-2 Culligan RV Filter Replacement Cartridge (2-Pack)
  • D-30 Culligan Level 2 Undersink Filter Replacement Cartridge
  • D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge
  • FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    $22.99
    MSRP: $28.51
    Save 19%
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • IC-1000 Culligan Inline Filter
  • IC-100A Culligan Level 1 Disposable Inline Filter

    IC-100A Culligan Level 1 Disposable Inline Filter

    $12.99
    MSRP: $16.78
    Save 23%
  • IC-750 Culligan Inline Filter
  • IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    $20.99
    MSRP: $27.13
    Save 23%
  • IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    $34.99
    MSRP: $53.99
    Save 35%
  • IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    $56.99
    MSRP: $71.29
    Save 20%

Items 1 to 48 of 334 total

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