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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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  1. 22006 Hydrologic BigBoy Replacement Carbon Filter - Green

    22006 Hydrologic BigBoy Carbon Filter (Green)

    Regular Price: $80.99

    Special Price: $45.05

  2. WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green

    WQCM11-50 Watts Kwik-Change Reverse Osmosis Membrane (Green)

    For use in Watts Kwik Change reverse osmosis systems Learn More
    $57.99 Retail Price:  $68.99
  3. 8014235 Katadyn Exstream Ultralight Series 21-Ounce Personal Water Purifier Bottle - Olive
  4. 8014234 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Olive
  5. K27PPS-BG Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top - Be Green
  6. Funbottle-dfs-green Tier1 Water Bottle - Green

    EcoFriendly Water Bottle: Green FunBottle

    $9.99 Retail Price:  $12.99
  7. S810RL Sterilight Water Sterilizer System UV Lamp

    S810RL Sterilight Water Sterilizer System UV Lamp

    Fits S8Q Series Systems, sized 31.9 inches Learn More
  8. S463RL Sterilight Water Sterilizer System UV Lamp (254nm)

    S463RL Sterilight Water Sterilizer System UV Lamp (254nm)

    Fits Sterilight S5Q-P, Sterilight S5Q-PA, Sterilight S5Q and Sterilight S5Q-GOLD UltraViolet filtration systems Learn More
  9. S36RL Sterilight Water Sterilizer System UV Lamp

    S36RL Sterilight Water Sterilizer System UV Lamp

    Fits Silver™, Gold and SUV Sterilight® series only Learn More
    $95.99 Retail Price:  $112.69
  10. FXB20RFL Filtrex Green Radial Flow Water Filter Cartridges
  11. 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green

    22110 Hydrologic SmallBoy Carbon Filter (Green)

    Fits filtration system housings that use 10 inch by 2.5 inch filter Learn More
    $12.99 Retail Price:  $17.24
  12. HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green
  13. 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer

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