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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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  • You’re guaranteed to find expert help!

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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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  • EVERPURE-EV9730-06


    $71.24 Retail Price:  $128.79
  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    $394.99 Retail Price:  $397.34
  • WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge


    $29.99 Retail Price:  $43.99
  • NCP-BB Pentek Whole House Water Filter
  • DOULTON-W9123053


    $52.99 Retail Price:  $59.25


    $31.99 Retail Price:  $35.06
  • W9121020 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • DOULTON-W9121200


    $34.99 Retail Price:  $39.97
  • DOULTON-W9121715


    $36.99 Retail Price:  $41.41
  • W9223026 Doulton Replacement Ceramic Filter
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • DOULTON-W9331032


    $135.99 Retail Price:  $158.65

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