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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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  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • AMERICAN-PLUMBER-W30PE

    AMERICAN-PLUMBER-W30PE

    $16.99 Retail Price:  $18.04
  • W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • AMERICAN-PLUMBER-W30W

    AMERICAN-PLUMBER-W30W

    $12.99 Retail Price:  $13.79
  • FXHSC

    FXHSC

    $21.99
  • FXUSC

    FXUSC

    $16.99 Retail Price:  $17.24
  • GE-FXSCH

    GE-FXSCH

    $14.99 Retail Price:  $18.39
  • WP-30 Pentek Whole House Filter Replacement Cartridge

    WP-30 Pentek Whole House Filter Replacement Cartridge

    $6.99 Retail Price:  $8.15

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