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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  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%
  • EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    $50.69
    MSRP: $94.99
    Save 47%
  • HM8-CM Sprite PureMist Filtered Shower Handle - Chrome
  • HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    $51.69
    MSRP: $66.99
    Save 23%
  • CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    $52.05
    MSRP: $61.97
    Save 16%
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99
    MSRP: $59.79
    Save 11%
  • 22017 Hydrologic Replacement De-Ionization Cartridge

    22017 Hydrologic Deionization Filter Cartridge

    $54.99
    MSRP: $71.29
    Save 23%
  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $57.09
    MSRP: $89.99
    Save 37%
  • BBS Sprite Hand-Held Baby Shower Filter
  • CFS8720-S Cuno Whole House Filter Replacement Cartridge

    CFS8720-S Cuno Whole House Filter Replacement Cartridge

    $58.05
    MSRP: $64.39
    Save 10%
  • RV-EZ-1 Culligan Level 1 Easy-Change RV Inline Filter System

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