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!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

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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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  • HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  • HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid

    Orange Lid Hydros Side-Fill Water Purifier Bottle

    $27.99
    MSRP: $34.49
    Save 19%
  • HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid

    Pink Lid Hydros Side-Fill Water Purifier Bottle (#HBSF-Pnk)

    $27.99
    MSRP: $34.49
    Save 19%
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • SB-3 Squeezable Filtered Sport Bottle (27 oz.)

    SB-3 WaterWay Squeezable Filtered Sport Bottle (27 oz.)

    $11.39
    MSRP: $28.99
    Save 61%
  • SB-2R Water Bottle Replacement Filters (2-Pack)

    SB-2R Water Bottle Replacement Filters (2-Pack)

    $7.99
    MSRP: $11.49
    Save 30%
  • WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter
  • WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • BRITA-35430

    BRITA-35430

    $41.99
    MSRP: $45.99
    Save 9%
  • BRITA-35735

    BRITA-35735

    $99.99
  • ZR-001 ZeroWater Replacement Filter Cartridge

    ZR-001 ZeroWater Replacement Filter Cartridge

    $19.99
    MSRP: $20.69
    Save 3%
  • ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    $55.99
    MSRP: $79.99
    Save 30%
  • ZR-008 ZeroWater Replacement Filter Cartridge (8-Pack)

    ZR-008 ZeroWater Replacement Filter Cartridge (8-Pack)

    $89.99
    MSRP: $99.99
    Save 10%
  • ZR-017 ZeroWater Replacement Filter Cartridge (2-Pack)

    ZR-017 ZeroWater Replacement Filter Cartridge (2-Pack)

    $29.99
    MSRP: $31.99
    Save 6%
  • 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)
  • BRITA-ATLANTIS-BLUE-PITCHER

    BRITA-ATLANTIS-BLUE-PITCHER

    $26.99
    MSRP: $33.34
    Save 19%
  • BRITA-ATLANTIS-PITCHER

    BRITA-ATLANTIS-PITCHER

    $30.99
    MSRP: $35.64
    Save 13%
  • BRITA-CHROME-PITCHER
  • BRITA-CLASSIC-PITCHER

    BRITA-CLASSIC-PITCHER

    $28.99
    MSRP: $33.34
    Save 13%
  • BRITA-DELUXE-PITCHER
  • BRITA-EVERYDAY-PITCHER

    BRITA-EVERYDAY-PITCHER

    $35.19
    MSRP: $41.39
    Save 15%
  • BRITA-GRAND-PITCHER

    BRITA-GRAND-PITCHER

    $47.99
    MSRP: $49.44
    Save 3%
  • BRITA-MARINA-PITCHER

    BRITA-MARINA-PITCHER

    $47.99
    MSRP: $49.44
    Save 3%
  • BRITA-PITCHER-FILTER-1PK

    BRITA-PITCHER-FILTER-1PK

    $9.99
    MSRP: $13.79
    Save 28%
  • BRITA-PITCHER-FILTER-3PK

    BRITA-PITCHER-FILTER-3PK

    $23.99
    MSRP: $29.89
    Save 20%
  • BRITA-PITCHER-FILTER-4PK

    BRITA-PITCHER-FILTER-4PK

    $29.99
    MSRP: $37.94
    Save 21%
  • BRITA-PITCHER-FILTER-5PK

    BRITA-PITCHER-FILTER-5PK

    $36.99
    MSRP: $44.84
    Save 18%
  • BRITA-PITCHER-FILTER-6PK

    BRITA-PITCHER-FILTER-6PK

    $45.49
    MSRP: $52.89
    Save 14%
  • BRITA-RIVIERA-PITCHER
  • BRITA-SLIM-PITCHER

    BRITA-SLIM-PITCHER

    $20.99
  • BRITA-SPACE-SAVER-PITCHER

    BRITA-SPACE-SAVER-PITCHER

    $31.99
  • BRITA-ULTRAMAX-DISPENSER
  • BRITA-VINTAGE-PITCHER

    BRITA-VINTAGE-PITCHER

    $38.99
    MSRP: $52.89
    Save 26%
  • CLARIS-461732

    CLARIS-461732

    $16.99
    MSRP: $21.38
    Save 21%
  • CRF-950Z

    CRF-950Z

    $11.99
    MSRP: $17.81
    Save 33%
  • CRF-950Z-3

    CRF-950Z-3

    $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

Items 1 to 48 of 113 total

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