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

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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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  1. 3M Aqua-Pure APIL3R Inline Water Filter

    The APIL3R 3M Aqua-Pure Inline Water Filter Cartridge has been discontinued by the manufacturer

    Fits the 3M Aqua-Pure APIL3 inline water filtration system Learn More
  2. E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-9 Learn More
    $41.79 MSRP:  $55.99
  3. PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $42.99 MSRP:  $49.67
  4. RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-4, US-EZ-4, and RV-EZ-4 Learn More
    $43.89 MSRP:  $78.99
  5. EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge

    EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $43.99 MSRP:  $50.59
  6. EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $44.89 MSRP:  $58.99
  7. RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  8. 9601 Moen ChoiceFlo Faucet Filter Replacement Cartridge

    9601 Moen ChoiceFlo Replacement Faucet Filter Cartridge

    Fits into the filtered Moen ChoiceFlo F7400 and 77200 Faucet Series Learn More
  9. E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-8 Learn More
    $45.99 MSRP:  $52.89
  10. W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    Fits pressurized Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Only Learn More
    $46.99 MSRP:  $54.26
  11. 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge

    AP-DW70 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $47.99 MSRP:  $56.34
  12. K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    Fits the Manitowoc AR-2800 ice machine Learn More
    $48.09 MSRP:  $81.99
  13. Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $48.99 MSRP:  $62.09
  14. CBF2-S-05 OmniFilter Undersink Filter System

    CBF2-S-05 OmniFilter Undersink Water Filtration System

    Built to fit onto any standard 1/2-inch NPS supply thread Learn More

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