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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!
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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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  • P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    $105.99 Retail Price:  $128.79
  • W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    $39.99 Retail Price:  $47.91
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    Regular Price: $101.99

    Special Price: $70.05

  • GAC-5 Pentek Replacement Filter Cartridge
  • NCP-20 Pentek Whole House Filter Replacement Cartridge

    NCP-20 Pentek Whole House Filter Replacement Cartridge

    $14.99 Retail Price:  $20.57
  • TRC-MM SteriPEN Portable UV System

    TRC-MM SteriPEN Portable UV System

    $44.99 Retail Price:  $54.04
  • WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $392.96 Retail Price:  $441.59
  • Water Sentinel WSAQ-1 Drinking Water Filter Replacement

    Water Sentinel WSAQ-1 Drinking Water Filter Replacement

    $42.99 Retail Price:  $54.99

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