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When we protect your filter purchase with our No Worries Guarantee, we mean it!

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  • Your filters are guaranteed to be the right fit!
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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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  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99 Retail Price:  $160.99
  • HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    $127.99 Retail Price:  $148.80
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    Regular Price: $133.99

    Special Price: $112.05

  • SF100 OmniFilter Shower-Soft Inline Shower Filter
  • BB-WH Sprite Filtered Bath Ball - White

    BB-WH Sprite Bath Ball Filter (White)

    $31.99 Retail Price:  $34.34
  • FPIR-BB-20 Watts Whole House Replacement Filter Cartridge

    FPIR-BB-20 Watts Whole House Iron Water Filter Cartridge

    $109.99 Retail Price:  $114.99
  • 1040 Katadyn Camping Water Filter Kit

    1040 Katadyn Camping Water Filter Kit

    $199.95 Retail Price:  $232.24
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95 Retail Price:  $367.94
  • 8016389 Katadyn Camping Filter System

    8016389 Katadyn Camping Filter System

    $1,499.95 Retail Price:  $1727.24
  • SF200-S2-S06 OmniFilter Shower Filter System

    SF200-S2-S06 OmniFilter Shower Filter System

    $26.99 Retail Price:  $33.34
  • CBC-20 Pentek Replacement Filter Cartridge

    CBC-20 Pentek Replacement Filter Cartridge

    $26.99 Retail Price:  $35.64
  • CRFC-20BB Pentek Chloramine Reduction Water Filter

    CRFC-20BB Pentek Chloramine Reduction Water Filter

    $109.99 Retail Price:  $156.27
  • CBC-10BB-WF Tier1 Water Filter Cartridge
  • CBC-20 Tier1 Water Filter Cartridge

    CBC-20 Tier1 Water Filter Cartridge

    Regular Price: $25.99

    Special Price: $20.05

  • Sprite HO2-CM High Output Universal Shower Filter (Chrome)

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