Discount Water Filters and Air Filters at Discount Filter Store.com

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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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30 Item(s)

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

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

    $11.39
    MSRP: $28.99
    Save 61%
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • Brita Intenza IZ-2219 Comparable Replacement Coffee Water Filter by Tier1 (2-Pack)
  • Braun KWF2 Comparable Coffee Water Filter Replacement by Tier1 (2-Pack)
  • Braun KWF2 Comparable Coffee Water Filter Replacement by Tier1 (2-Pack)
  • ZR-001 ZeroWater Replacement Filter Cartridge

    ZR-001 ZeroWater Replacement Filter Cartridge

    $19.99
    MSRP: $20.69
    Save 3%
  • 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
  • 461732 Claris Water Filter Cartridge for Bosch / Siemens Coffee Machines
  • PIT-1 Culligan Level 2 Water Pitcher

    PIT-1 Culligan Level 2 Water Pitcher

    $18.29
    MSRP: $25.99
    Save 30%
  • PR-1U Culligan Universal Water Pitcher Replacement Cartridge
  • 1-50201-C Seychelle Pure Water Straw with Regular Filter
  • 1-50301-C Seychelle Pure Water Straw with Advanced Filter
  • 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
  • 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
  • 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
  • 30034 New Wave Enviro Barrier Ultra Cartridge Bacterial Removal
  • 30035 New Wave Enviro Barrier Arsenic Reduction Cartridge
  • 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 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%

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