Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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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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  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • AMERICAN-PLUMBER-W20CLHD20

    AMERICAN-PLUMBER-W20CLHD20

    $28.99
  • W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • AMERICAN-PLUMBER-W30PEHD

    AMERICAN-PLUMBER-W30PEHD

    $23.99
  • W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)
  • AMERICAN-PLUMBER-W50PE

    AMERICAN-PLUMBER-W50PE

    $16.99
    MSRP: $18.39
    Save 8%
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WGCHD American Plumber Undersink Water Filter Replacement 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%
  • 3M Aqua-Pure APS117 Whole House Water Filter Replacement Cartridge
  • CB6 OmniFilter Whole House Filter Replacement Cartridge
  • CRYSTAL-QUEST-CQE-RC-04002

    CRYSTAL-QUEST-CQE-RC-04002

    $57.00
    MSRP: $65.54
    Save 13%
  • CULLIGAN-CP5-BBS-D

    CULLIGAN-CP5-BBS-D

    $17.99
  • CULLIGAN-CW-F-D-2PK

    CULLIGAN-CW-F-D-2PK

    $13.99
  • CULLIGAN-HSH-C135

    CULLIGAN-HSH-C135

    $50.29
    MSRP: $57.49
    Save 13%
  • CULLIGAN-ISH-100

    CULLIGAN-ISH-100

    $26.69
  • CULLIGAN-ISH-200

    CULLIGAN-ISH-200

    $33.19
  • CULLIGAN-RDSH-C115

    CULLIGAN-RDSH-C115

    $38.99
    MSRP: $48.98
    Save 20%
  • CULLIGAN-S1A-D

    CULLIGAN-S1A-D

    $7.99
    MSRP: $10.80
    Save 26%
  • CULLIGAN-WHR-140

    CULLIGAN-WHR-140

    $15.99
    MSRP: $23.99
    Save 33%
  • CULLIGAN-WSH-C125

    CULLIGAN-WSH-C125

    $34.99
    MSRP: $39.66
    Save 12%
  • CUNO-CFS117-S

    CUNO-CFS117-S

    $32.05
    MSRP: $40.24
    Save 20%
  • CUNO-CFS8110

    CUNO-CFS8110

    $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%
  • CUNO-CFS8112-S

    CUNO-CFS8112-S

    $70.99
    MSRP: $94.29
    Save 25%
  • CUNO-CFS9112

    CUNO-CFS9112

    $62.99
    MSRP: $71.29
    Save 12%
  • HF25 Cuno Whole House Filter Replacement Cartridge
  • CUNO-HF25-S

    CUNO-HF25-S

    $67.99
    MSRP: $69.56
    Save 2%
  • 7CB5 Everpure Replacement Filter Cartridge

    7CB5 Everpure Replacement Filter Cartridge

    $66.49
    MSRP: $115.99
    Save 43%
  • 7CB5-S Everpure Replacement Filter Cartridge

    7CB5-S Everpure Replacement Filter Cartridge

    $75.99
    MSRP: $86.24
    Save 12%
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99
    MSRP: $58.64
    Save 16%
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99
    MSRP: $692.29
    Save 13%
  • i40002 Everpure Replacement Filter Cartridge

    Everpure i4000(2) Replacement Water Filter Cartridge

    $88.99
    MSRP: $100.04
    Save 11%
  • XC2 Everpure Replacement Filter Cartridge

    XC2 Everpure Replacement Filter Cartridge

    $72.99
    MSRP: $86.24
    Save 15%
  • FXHSC GE SmartWater Whole House Filter Replacement Cartridge
  • FXUSC-2PK

    FXUSC-2PK

    $16.99
    MSRP: $17.24
    Save 1%
  • FXSCH GE Shower Replacement Filter Cartridge

    FXSCH GE Shower Replacement Filter Cartridge

    $15.99
    MSRP: $27.99
    Save 43%
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $45.99
    MSRP: $67.99
    Save 32%
  • HOSHIZAKI-H9655-11

    HOSHIZAKI-H9655-11

    $77.09
  • MANITOWOC-K00174

    MANITOWOC-K00174

  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • FLOPLUS-20 Pentek Replacement Filter Cartridge

    FLOPLUS-20 Pentek Replacement Filter Cartridge

    $30.99
    MSRP: $38.99
    Save 21%
  • GAC-20 Pentek Replacement Filter Cartridge

    GAC-20 Pentek Replacement Filter Cartridge

    $18.49
    MSRP: $29.99
    Save 38%

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