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!

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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  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1


  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    MSRP: $104.99
    Save 38%
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge


  • FXHTC GE SmartWater Whole House Filter Replacement Cartridge


  • MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • KX-MATRIKX-32-450-10-GREEN


    MSRP: $32.19
    Save 1%




    MSRP: $44.84
    Save 22%
  • CB-45-1001 Hydronix Replacement Whole House Filter Cartridge
  • CB-45-1010 Hydronix Replacement Whole House Carbon Water Filter

16 Item(s)

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