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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!
  • Our customer service team is guaranteed to answer your call!
  • 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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  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99 Retail Price:  $24.14
  • TFM-36-A Tier1 Reverse Osmosis Membrane

    TFM-36-A Tier1 Reverse Osmosis Membrane

    $36.99 Retail Price:  $50.59
  • FXMLC-2PK GE SmartWater Faucet Filter Replacement Cartridge (2-Pack)
  • FXSLC GE SmartSetWater Undersink Filter
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • GXRTQ GE SmartWater Inline Filter System
  • WS03X10016 GE Water Filtration System Flow Control

    WS03X10016 GE Water Filtration System Flow Control

    $5.99 Retail Price:  $28.94
  • PX05-40 Purtrex Whole House Replacement Sediment Filter Cartridge

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