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 136 total

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  • F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99
    MSRP: $59.79
    Save 31%
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $37.49
    MSRP: $50.99
    Save 26%
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    3M Aqua-Pure AP117RO Reverse Osmosis Filter

    $25.39
    MSRP: $38.99
    Save 35%
  • 3M Aqua-Pure AP200 Under Sink Water Filter

    AP200 3M Aqua-Pure Undersink Water Filtration System

    $108.09
    MSRP: $160.99
    Save 33%
  • 3M Aqua-Pure AP317 Water Filter Replacement Cartridge

    AP317 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $54.59
    MSRP: $78.99
    Save 31%
  • 3M Aqua-Pure AP517 Water Filter Replacement Cartridge

    AP517 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $69.09
    MSRP: $88.99
    Save 22%
  • AP5527 3M Aqua-Pure Reverse Osmosis Pre and Post Filter Set
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • 3M Aqua-Pure AP817 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP817-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP-C77 Undersink 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 APS117 Whole House Water Filter Replacement Cartridge
  • F-200 Calgon Water Treatment Media

    F-200 Calgon Water Treatment Media

    $153.99
    MSRP: $158.69
    Save 3%
  • D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    $31.99
    MSRP: $46.99
    Save 32%
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)

    PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)

    $23.79
    MSRP: $33.99
    Save 30%
  • PR-3U Culligan Universal Water Pitcher Replacement Cartridge (3-Pack)
  • RFC-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    $20.99
    MSRP: $35.64
    Save 41%
  • RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    $29.79
    MSRP: $39.99
    Save 26%
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • CFS117-S Cuno Whole House Filter Replacement Cartridge

    CFS117-S Cuno Whole House Filter Replacement Cartridge

    $32.05
    MSRP: $40.24
    Save 20%
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    $76.99
    MSRP: $87.39
    Save 12%
  • CFS8110 Cuno Whole House Filter Replacement Cartridge

    CFS8110 Cuno Whole House Filter Replacement Cartridge

    $56.99
    MSRP: $61.97
    Save 8%
  • CFS8112 Cuno Whole House Filter Replacement Cartridge

    CFS8112 Cuno Whole House Filter Replacement Cartridge

    $63.05
    MSRP: $69.56
    Save 9%
  • CFS8112-S Cuno Whole House Filter Replacement Cartridge

    CFS8112-S Cuno Whole House Filter Replacement Cartridge

    $70.99
    MSRP: $94.29
    Save 25%
  • CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    $52.05
    MSRP: $61.97
    Save 16%
  • CFS8720-S Cuno Whole House Filter Replacement Cartridge

    CFS8720-S Cuno Whole House Filter Replacement Cartridge

    $58.05
    MSRP: $64.39
    Save 10%
  • CFS8812X Cuno Whole House Filter Replacement Cartridge

    CFS8812X Cuno Whole House Filter Replacement Cartridge

    $66.05
    MSRP: $71.29
    Save 7%
  • CFS8812X-S Cuno Whole House Filter Replacement Cartridge

    CFS8812X-S Cuno Whole House Filter Replacement Cartridge

    $74.99
    MSRP: $77.04
    Save 3%
  • HF25 Cuno Whole House Filter Replacement Cartridge
  • HF40-S Cuno Whole House Filter Replacement Cartridge

    HF40-S Cuno Whole House Filter Replacement Cartridge

    $105.99
    MSRP: $123.04
    Save 14%
  • HF45-S Cuno Whole House Filter Replacement Cartridge

    HF45-S Cuno Whole House Filter Replacement Cartridge

    $103.99
    MSRP: $120.39
    Save 14%
  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99
    MSRP: $160.99
    Save 14%
  • HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    $127.99
    MSRP: $148.80
    Save 14%
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    $133.99
    MSRP: $155.81
    Save 14%
  • HF95 Cuno Whole House Filter Replacement Cartridge

    HF95 Cuno Whole House Water Filter Cartridge

    $197.99
    MSRP: $229.99
    Save 14%
  • HF95-S Cuno Whole House Water Filter Cartridge

    HF95-S Cuno Whole House Water Filter Cartridge

    $195.99
    MSRP: $227.69
    Save 14%
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $31.89
    MSRP: $40.99
    Save 22%
  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $57.09
    MSRP: $89.99
    Save 37%

Items 1 to 48 of 136 total

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