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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  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • S810RL Sterilight Water Sterilizer System UV Lamp
  • S463RL Sterilight Water Sterilizer System UV Lamp (254nm)
  • K27PPS-BG Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top - Be Green
  • Funbottle-dfs-green Tier1 Water Bottle - Green

    EcoFriendly Water Bottle: Green FunBottle

    MSRP: $12.99
    Save 67%
  • 22006 Hydrologic BigBoy Replacement Carbon Filter - Green
  • FXB20RFL Filtrex Green Radial Flow Water Filter Cartridges

13 Item(s)

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