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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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  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    As Low As $30.00 Per Filter

  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System

    QC10-CBR-JG14 Pentek Quick-Change Water Filter System

    $33.99 Retail Price:  $35.41
  • CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    $36.99 Retail Price:  $49.44
  • EP-30 Pentek Replacement Filter Cartridge

    EP-30 Pentek Replacement Water Filter Cartridge

    $37.99 Retail Price:  $46.10
  • CBC-10BB-WF Tier1 Water Filter Cartridge

    CBC-BB Pentek Comparable Water Filter Cartridge by Tier1

    $39.99 Retail Price:  $43.69

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