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 68 total

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  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    $11.99
    MSRP: $20.99
    Save 43%
  • Brita Orange Filtered Water Bottle

    Brita Orange Filtered Water Bottle

    $12.99
    MSRP: $29.89
    Save 57%
  • 655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement
  • AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    $11.39
    MSRP: $16.99
    Save 33%
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge
  • GXRTDR GE Inline Water Filter Cartridge Comparable By Tier1
  • OmniPure OMB934-10M-P Carbon Block with Scale Inhibitor

    OmniPure OMB934-10M-P Carbon Block with Scale Inhibitor

    $16.79
    MSRP: $24.99
    Save 33%
  • Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    $17.99
    MSRP: $20.34
    Save 12%
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $10.29
    MSRP: $15.99
    Save 36%
  • CB-25-1005 Hydronix Replacement Filter Cartridge

    CB-25-1005 Hydronix Replacement Filter Cartridge

    $10.49
    MSRP: $14.99
    Save 30%
  • 67001 Aquamira Water Bottle Replacement Filter Cartridge
  • Water Sentinel WSI-1 Refrigerator Water Filter
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99
    MSRP: $13.74
    Save 13%
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • EF-9603 Daewoo Refrigerator Water Filter

    Daewoo EF-9603 Refrigerator Water Filter

    $12.05
    MSRP: $17.24
    Save 30%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge

    MAXETW-975 Watts C-MAX Replacement Water Filter Cartridge

    $12.59
    MSRP: $18.99
    Save 34%
  • 67011 / CR-100 Aquamira Water Bottle Replacement Filter Capsule - front

    67011 / CR-100 Aquamira Filtered Water Bottle Capsule

    $12.95
    MSRP: $17.19
    Save 25%
  • 67108 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge (Military) - front
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    $12.99
    MSRP: $16.34
    Save 21%
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    $13.69
    MSRP: $21.99
    Save 38%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $13.89
    MSRP: $21.99
    Save 37%
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    $13.99
    MSRP: $17.19
    Save 19%
  • WSI-2 Water Sentinel Filter
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $15.69
    MSRP: $23.99
    Save 35%
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $15.69
    MSRP: $23.99
    Save 35%
  • 67002 Aquamira Watter Bottle and Filter System
  • 40645 Camco Evo Replacement Filter Cartridge

    40645 Camco Evo Replacement Water Filter

    $15.99
    MSRP: $18.39
    Save 13%
  • 41400011 Hydrotech Replacement Filter Cartridge

    41400011 Hydrotech Replacement Filter Cartridge

    $15.99
    MSRP: $19.54
    Save 18%
  • HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    $15.99
    MSRP: $18.34
    Save 13%
  • EPM-20 Pentek Whole House Water Filter

    Pentek EPM-20 Whole House Water Filter Replacement Cartridge

    $15.99 MSRP: $19.34
    Save 17%
  • EP5-20 Tier1 Carbon Block Water Filter

    EP5-20 Tier1 Carbon Block Water Filter

    $15.99 MSRP: $20.69
    Save 23%
  • CBC-10 Pentek Replacement Water Filter
  • 01013029 Culligan Reverse Osmosis Filter Cartridge
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • CFB-Plus20 Pentek Replacement Filter Cartridge

    CFB-Plus20 Pentek Replacement Water Filter Cartridge

    $17.89
    MSRP: $32.99
    Save 46%
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    $17.99
    MSRP: $25.29
    Save 29%
  • 41400076 Hydrotech Dual Purpose Water Filter41400076 Hydrotech Dual Purpose Water Filter

    41400076 Hydrotech Dual Purpose Water Filter

    $17.99
    MSRP: $19.54
    Save 8%
  • PWF-1000 Water Filter Pitcher (6-Cup) by Tier1

    PWF-1000 Water Filter Pitcher (10-Cup) by Tier1

    $17.99
    MSRP: $29.99
    Save 40%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • HRF-AP1 Honeywell Universal Carbon Pre-filter

    HRF-AP1 Honeywell Universal Carbon Pre-filter

    $18.09
    MSRP: $23.99
    Save 25%
  • 67006 Aquamira Frontier Pro Portable Emergency Filter System

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