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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  • Our products are price match guaranteed!
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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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Items 1 to 48 of 113 total

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  • 67002 Aquamira Watter Bottle and Filter System
  • BOTTLE-BL-GR-FILTER-INSIDE-2PK Brita 20-Ounce Water Purifier Bottle - Blue / Green (2-Pack)
  • BOTTLE-BLUE-FILTER-INSIDE Brita 20-Ounce Water Purifier Bottle - Blue
  • Brita Water Purifier Bottle Replacement Filter (2-Pack)
  • HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  • HBSF-Char Hydros Side-Fill Water Purifier Bottle - Charcoal Lid
  • Brita Filtered Water Bottle 2-Pack

    Brita Filtered Water Bottle 2-Pack (Blue & Orange, #35559)

    $18.99
    MSRP: $27.00
    Save 30%
  • Brita Blue Filtered Water Bottle (#35558)

    Brita Blue Filtered Water Bottle (#35558)

    $19.99
    MSRP: $24.99
    Save 20%
  • ZeroWater Filtered Tumbler

    ZeroWater Filtered Tumbler (26 oz., #ZT-026i)

    $12.99
    MSRP: $28.74
    Save 55%
  • ZeroWater Filtered Tumbler & Replacement Filters (26 ounce, #ZT-M01)
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99
    MSRP: $59.79
    Save 31%
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99
    MSRP: $13.74
    Save 13%
  • 67006 Aquamira Frontier Pro Portable Emergency Filter System
  • 67106 Aquamira Frontier Pro Portable Filter System (Military)
  • ATLANTIS-BLUE-PITCHER Brita 48-Ounce Water Pitcher

    Brita Atlantis Blue Water Filter Pitcher (48 Ounce)

    $26.99
    MSRP: $33.34
    Save 19%
  • 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99
    MSRP: $44.84
    Save 31%
  • 42632 Brita Chrome SMART OB39 64-Ounce Water Pitcher
  • 35507 Brita Classic OB01 48-Ounce Water Pitcher

    Brita Classic Water Filter Pitcher (48 Ounce, #OB01)

    $28.99
    MSRP: $50.99
    Save 43%
  • 42378 Brita Deluxe OB26 80-Ounce Water Pitcher
  • EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    $35.19
    MSRP: $52.99
    Save 34%
  • 42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • MARINA-PITCHER Brita 64-Ounce Water Pitcher

    MARINA-PITCHER Brita 64-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • 35501 Brita OB03 Pitcher Replacement Cartridge

    35501 Brita OB03 Pitcher Replacement Cartridge

    $9.99
    MSRP: $13.79
    Save 28%
  • 35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    $23.99
    MSRP: $29.89
    Save 20%
  • 42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    $29.99
    MSRP: $37.94
    Save 21%
  • 35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    $36.99
    MSRP: $44.84
    Save 18%
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $45.49
    MSRP: $68.99
    Save 34%
  • 42557 Brita Riviera SMART OB35 64-Ounce Water Pitcher
  • 42629 Brita Slim OB11 40-Ounce Water Pitcher

    42629 Brita Slim OB11 40-Ounce Water Pitcher

    $20.99
    MSRP: $26.44
    Save 21%
  • 35250 Brita Space Saver Calendar-Minder OB21 48-Ounce Water Pitcher
  • 35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser

    35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser

    $46.99
    MSRP: $56.34
    Save 17%
  • VINTAGE-PITCHER Brita 80-Ounce Water Pitcher

    Brita Vintage Water Filter Pitcher (80 Ounce)

    $38.99
    MSRP: $52.89
    Save 26%
  • 461732 Claris Water Filter Cartridge for Bosch / Siemens Coffee Machines
  • CRF-950Z PUR Pitcher Replacement Cartridge

    CRF-950Z PUR Replacement Water Filter Pitcher

    $11.99
    MSRP: $16.09
    Save 25%
  • CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    $25.99
    MSRP: $36.79
    Save 29%
  • PIT-1 Culligan Level 2 Water Pitcher

    PIT-1 Culligan Level 2 Water Pitcher

    $18.29
    MSRP: $25.99
    Save 30%
  • PR-1 Culligan Pitcher Replacement Cartridge

    PR-1 Culligan Water Filter Pitcher Replacement Cartridge

    $6.99
    MSRP: $12.52
    Save 44%
  • PR-1U Culligan Universal Water Pitcher Replacement 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)
  • FXMLH GE Faucet Filter Replacement Cartridge
  • FXPL3D GE Pitcher Replacement Cartridge (3-Pack)

Items 1 to 48 of 113 total

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