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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.

36 Item(s)

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  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99
    MSRP: $31.04
    Save 7%
  • 42633 Brita On-Tap Faucet Filter System - Black / Chrome
  • 42647 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge
  • 42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    $22.99
    MSRP: $28.51
    Save 19%
  • FM-5R Culligan Level 3 Faucet Filter Replacement Cartridge
  • 601 Moen MicroTech Faucet Filter Replacement Cartridge - 1

    601 Moen MicroTech Replacement Faucet Filter Cartridge

    $23.99
    MSRP: $29.89
    Save 20%
  • FM-3333B PUR 2-Stage Vertical Faucet Filter System - White
  • F2-CHROME Instapure Essentials Faucet Filter System - Chrome
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • R8-1PK-CHROME Instapure Ultra Faucet Filter Replacement Cartridge - Chrome
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • RF-9999-2NM PUR Faucet Mount Water Filter Replacement

    RF-9999-2NM PUR Faucet Mount Water Filter Replacement

    $29.99
    MSRP: $37.94
    Save 21%
  • RF-9999 PUR MineralClear Water Faucet Filter Refill (2-Pack)
  • FM-25 Culligan Water Faucet Filter

    FM-25 Culligan Water Faucet Filter

    $26.99
    MSRP: $35.27
    Save 23%
  • WI-BG-BOTTLE-FILTER-20 Body Glove Water Bottle Replacement Filter
  • WI-BG-PITCHER-FILTER Body Glove Replacement Water Pitcher Filter
  • R7 Instapure CompletePlus Faucet Filter Replacement Cartridge (2-Pack)
  • 67015 Aquamira Filtered Water Bottle - 1

    Aquamira Filtered Water Bottle (#67015)

    $27.95
    MSRP: $34.44
    Save 19%

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