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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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  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • 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
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • OmniPure OMB934-10M-P Carbon Block with Scale Inhibitor

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

    $15.99
    MSRP: $18.34
    Save 13%
  • GXRTDR GE Inline Water Filter Cartridge Comparable By Tier1
  • Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    $17.99
    MSRP: $20.34
    Save 12%
  • 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge
  • GXRLQR GE Comparable Inline Water Filter By Tier1
  • EF-9603 Daewoo Refrigerator Water Filter

    Daewoo EF-9603 Refrigerator Water Filter

    $10.05
    MSRP: $17.24
    Save 42%
  • 67001 Aquamira Water Bottle Replacement Filter Cartridge
  • AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    $10.99
    MSRP: $15.99
    Save 31%
  • Water Sentinel WSI-1 Refrigerator Water Filter
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    $11.05
    MSRP: $17.19
    Save 36%
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    $11.05
    MSRP: $17.24
    Save 36%
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99
    MSRP: $13.74
    Save 13%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • 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%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $12.99
    MSRP: $24.99
    Save 48%
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • WSI-2 Water Sentinel Filter
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99
    MSRP: $17.34
    Save 14%
  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $14.99
    MSRP: $18.39
    Save 18%
  • CBC-10 Pentek Replacement Water Filter

    Pentek CBC-10 Water Filter Replacement Cartridge

    $14.99 MSRP: $16.71
    Save 10%
  • 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%
  • EPM-20 Pentek Whole House Water Filter
  • EP5-20 Tier1 Carbon Block Water Filter

    EP5-20 Tier1 Carbon Block Water Filter

    $15.99 MSRP: $20.69
    Save 23%
  • CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    $16.05
    MSRP: $20.34
    Save 21%
  • 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

    $16.99
    MSRP: $21.26
    Save 20%
  • 67006 Aquamira Frontier Pro Portable Emergency Filter System
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $17.99
    MSRP: $20.69
    Save 13%
  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $17.99
    MSRP: $20.69
    Save 13%
  • Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $17.99
    MSRP: $20.34
    Save 12%
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge
  • 41400076 Hydrotech Dual Purpose Water Filter41400076 Hydrotech Dual Purpose Water Filter

    41400076 Hydrotech Dual Purpose Water Filter

    $17.99
    MSRP: $19.54
    Save 8%
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $17.99
    MSRP: $49.99
    Save 64%
  • PWF-1000 Water Filter Pitcher (6-Cup) by Tier1

    PWF-1000 Water Filter Pitcher (6-Cup) by Tier1

    $17.99
    MSRP: $29.99
    Save 40%

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