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!

Learn more about our No Worries Guarantee

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.

Items 97 to 132 of 132 total

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  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $48.09
    MSRP: $60.99
    Save 21%
  • K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $48.09
    MSRP: $81.99
    Save 41%
  • 3M Aqua-Pure AP817 Whole House Water Filter Cartridge
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99
    MSRP: $58.64
    Save 16%
  • Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    $48.99
    MSRP: $62.09
    Save 21%
  • WHKF-DWHBB Whirlpool Filter Housing with Pressure Relief Valve - Clear
  • U25 OmniFilter Whole House Water Filter System

    OmniFilter U25 Whole House Water Filtration System

    $48.99
    MSRP: $58.64
    Save 16%
  • 602733 Trojan UVMAX E4 Quartz UV Lamp Sleeve
  • CQE-SP-00808 Crystal Quest Bath Ball Filter

    CQE-SP-00808 Crystal Quest Bath Ball Filter

    $48.99
    MSRP: $58.64
    Save 16%
  • FM-BB-20-1A Watts Pleated Water Filter Cartridge

    FM-BB-20-1A Watts Pleated Water Filter Cartridge

    $48.99
    MSRP: $75.84
    Save 35%
  • HE7-CM Sprite Shower Pure 7-Setting Hand-Held Shower Filter (Chrome)
  • HF25 Cuno Whole House Filter Replacement Cartridge

    HF25 Cuno Whole House Filter Replacement Cartridge

    $49.05
    MSRP: $62.66
    Save 22%
  • CBF2-S-05 OmniFilter Undersink Filter System
  • CQ-1000-DS Rainshowr Shower Filter System with Whedon Designer Shower Head - Chrome
  • CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $49.19
    MSRP: $63.99
    Save 23%
  • EM-MM SteriPEN Portable UV System
  • TRC-MM SteriPEN Portable UV System
  • 8014644 Katadyn Hiker and Hiker Pro Backcountry Series Microfilter Replacement Cartridge
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • HD-950 Culligan Whole House Filter System

    HD-950 Culligan Whole House Water Filter System

    $49.99
    MSRP: $75.89
    Save 34%
  • 3US-PS01 Filtrete Undersink Filter System

    3US-PS01 Filtrete Undersink Filter System

    $49.99
    MSRP: $62.66
    Save 20%
  • HR5-CM Sprite Royale Handheld Shower Filter System - Chrome
  • RS4-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • FM-4000B PUR Advanced Water Faucet Filtration System

    FM-4000B PUR Advanced Water Faucet Filtration System

    $49.99
    MSRP: $63.00
    Save 21%
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge
  • 20Z-NBL Built NY Bottle Tote - Blue
  • 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  • 8014234 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Olive

Items 97 to 132 of 132 total

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