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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!

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.

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  • TFM-18-EB Desal Reverse Osmosis Membrane

    TFM-18-EB Desal Reverse Osmosis Membrane

    $59.99 Retail Price:  $71.29
  • WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System
  • Axeon 200359 Reverse Osmosis Membrane

    Axeon 200359 Reverse Osmosis Membrane

    $34.99 Retail Price:  $36.79
  • Axeon 200361 Reverse Osmosis Membrane

    Axeon 200361 Reverse Osmosis Membrane

    $39.99 Retail Price:  $48.29
  • BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    $44.99 Retail Price:  $47.34
  • 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane
  • 4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    $74.99 Retail Price:  $90.54
  • 4002574/GRO-50EN Pentair GPD Encapsulated Membrane

    4002574/GRO-50EN Pentair GPD Encapsulated Membrane

    $74.99 Retail Price:  $90.54

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