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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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  • Pentek EP-20 Replacement Water Filter Cartridge

    EP-20 Pentek Replacement Filter Cartridge

    As Low As $15.50 Per Filter

  • Pentek PX03-20 Polypropylene Sediment Filter

    Purtrex PX03-20 Polypropylene Sediment Filter

    $19.99 Retail Price:  $22.34
  • GX01-20 Hytrex Replacement Filter Cartridge

    GX01-20 Hytrex Water Filter Cartridge

    $8.99 Retail Price:  $12.64
  • GX03-20 Hytrex Replacement Filter Cartridge

    GX03-20 Hytrex Replacement Water Filter Cartridge

    Regular Price: $8.99

    Special Price: $8.05

  • GX05-20 Hytrex Replacement Filter Cartridge
  • GX10-20 Hytrex Replacement Filter Cartridge

    GX10-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • GX50-20 Hytrex Replacement Filter Cartridge

    GX50-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    $7.99 Retail Price:  $8.04
  • CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    Regular Price: $17.99

    Special Price: $16.05

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