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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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  • 3US-PS01 Filtrete Undersink Filter System

    3US-PS01 Filtrete Undersink Filter System

    $49.99 Retail Price:  $62.66
  • 3WH-HDPL-F01 Filtrete Replacement Filter Cartridge

    3WH-HDPL-F01 3M Filtrete Water Filter Cartridge

    $14.99 Retail Price:  $17.24
  • 3WH-HD-S01 Filtrete Whole House Sump System

    3WH-HD-S01 3M Filtrete Whole House Sump Filter System

    $54.99 Retail Price:  $66.69
  • 4US-MAXS-F01 Filtrete Replacement Filter Cartridge

    4US-MAXS-F01 3M Filtrete Water Filter Cartridge

    $20.99 Retail Price:  $25.29
  • 4US-MAXS-S01 Filtrete Single Stage Drinking Water System
  • 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGAC-F01 3M Filtrete Water Filter Cartridge

    $33.99 Retail Price:  $41.39

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