Discount Water Filters and Air Filters at Discount Filter

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!

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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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  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • EP-20BB Pentek Replacement Water Filter
  • 3M Aqua-Pure APS117 Whole House Water Filter Replacement Cartridge
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    MSRP: $692.29
    Save 13%


    MSRP: $52.89
    Save 14%
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • MATRIKX 32-450-10-GREEN / CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

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