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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  • Your filters are guaranteed to be the right fit!
  • 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 49 to 96 of 112 total

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  • 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)
  • GXFM07HBL GE Faucet Filter System

    GXFM07HBL GE Faucet Filter System

    $38.99
    MSRP: $56.34
    Save 31%
  • HBSF-1FLT Hydros Fast-Flow Side-Fill Water Purifier Bottle Replacement Filter
  • HBSF-3FLT Hydros Fast-Flow Side-Fill Water Purifier Bottle Replacement Filter (3-Pack)
  • 1-50201-C Seychelle Pure Water Straw with Regular Filter
  • 1-50301-C Seychelle Pure Water Straw with Advanced Filter
  • ZD-010 ZeroWater Water Pitcher
  • ZD-013 ZeroWater Water Pitcher
  • ZD-018 ZeroWater Water Dispenser
  • 8013624 Katadyn Replacement Filter Element (2-Pack)

    8013624 Katadyn Replacement Filter Element (2-Pack)

    $14.95
    MSRP: $19.49
    Save 23%
  • 8011553 Katadyn Exstream Ultralight Series Personal Water Purifier Cyst Filter
  • PF-300S OmniFilter Water Pitcher Replacement Cartridge
  • PF-300T OmniFilter Water Pitcher Replacement Cartridge (3-Pack)
  • PF-500 OmniFilter 14-cup Water Pitcher

    PF-500 OmniFilter Water Filter Pitcher (14-Cup)

    $30.99
    MSRP: $49.99
    Save 38%
  • CR-5000 PUR Flavor Options 56-Ounce Water Pitcher
  • ZJ-003 ZeroWater Water Cooler Bottle Filtration System

    ZJ-003 ZeroWater Water Cooler Filter System

    $69.99
    MSRP: $82.79
    Save 15%
  • H10-B Brondell H2O+ Water Filter Pitcher (6-Cup)

    H10-B Brondell H2O+ Water Filter Pitcher (6-Cup)

    $34.99
    MSRP: $37.94
    Save 8%
  • H10-W Brondell H2O+ Water Filter Pitcher (6-Cup, White)

    H10-W Brondell H2O+ Water Filter Pitcher (6-Cup, White)

    $34.99
    MSRP: $41.39
    Save 15%
  • HF-10 Brondell H2O+ Water Pitcher Filters (3-Pack)

    HF-10 Brondell H2O+ Water Pitcher Filters (3-Pack)

    $25.99
    MSRP: $29.89
    Save 13%
  • 35214 Brita On Tap Water Faucet Filtration System

    35214 Brita On Tap Water Faucet Filtration System

    $24.99
    MSRP: $36.79
    Save 32%
  • Brita Ultramax Water Filter Pitcher
  • Brita Bella Water Filter Pitcher (#35455)
  • 35818 Brita Water Bottle Replacement Filters

    35818 Brita Water Bottle Replacement Filters

    $9.99
    MSRP: $15.00
    Save 33%
  • 8013450 Katadyn Carbon Cartridge Bottle Adaptor

    8013450 Katadyn Carbon Cartridge Bottle Adaptor

    $19.95
    MSRP: $22.99
    Save 13%
  • ZR-230 ZeroWater Replacement Filtered Tumbler Water Filters (2-Pack)
  • Dupont WFFM100XW Premier Faucet Mount Drinking Water Filter
  • Dupont WFFM100XCH Faucet Mount Filter System (chrome)

    Dupont WFFM100XCH Faucet Mount Filter System (Chrome)

    $21.39
    MSRP: $35.99
    Save 41%
  • Dupont WFFM300XW Low Profile Faucet Mount Drinking Water Filter System
  • Dupont WFFM300XCH Low Profile Faucet Mount Drinking Water Filter System
  • Dupont WFFM350XW Deluxe Faucet Mount Drinking Water Filter System
  • OB03 Brita Comparable Pitcher Replacement Cartridges by Tier1 (6-Pack)
  • 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%
  • 1-50302-C Seychelle Pure Water Advanced Straw & Filter

    1-50302-C Seychelle Pure Water Advanced Straw & Filter

    $14.39
    MSRP: $21.99
    Save 35%
  • DuPont WFPT075X Vista Filtered Water Pitcher
  • 30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    $27.29
    MSRP: $35.99
    Save 24%
  • 30034 New Wave Enviro Barrier Ultra Cartridge Bacterial Removal
  • 30035 New Wave Enviro Barrier Arsenic Reduction Cartridge
  • 30040 New Wave Enviro Alkaline Pitcher System

    30040 New Wave Enviro Alkaline Pitcher System

    $36.19
    MSRP: $64.99
    Save 44%
  • 30041 New Wave Enviro Alkaline Pitcher Replacement

    30041 New Wave Enviro Alkaline Pitcher Replacement

    $8.29
    MSRP: $14.99
    Save 45%
  • 67002 Aquamira Watter Bottle and Filter System
  • BOTTLE-BL-GR-FILTER-INSIDE-2PK Brita 20-Ounce Water Purifier Bottle - Blue / Green (2-Pack)

Items 49 to 96 of 112 total

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