Discount Water Filters and Air Filters at Discount Filter Store.com

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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. TO1SS OmniFilter Whole House Water Filter

    TO1SS OmniFilter Whole House Water Filter Replacement Cartridge

    Designed to fit into any brand of whole house water filtration system that accepts standard 9 3/4 x 2 1/2 inch cartridges Learn More

    As Low As $9.67 Per Filter

  2. 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    Fits Elkay and Halsey-Taylor Water Sentry VII drinking fountains Learn More
  3. 67401 Aquamira Water Purifier Tablets (24-Pack)
  4. WS01-WH Filtrete Water Station Filtered Water Bottle Filling Station
  5. 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge

    55898C Halsey-Taylor Water Filter Cartridge Replacement

    Fits the Halsey Taylor Hydroboost and the Elkay EZH2O bottle filling station Learn More
    $91.69 MSRP:  $160.99
  6. 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
    $18.99
  7. HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  8. HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid
  9. HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid

    Pink Lid Hydros Side-Fill Water Purifier Bottle (#HBSF-Pnk)

    16 ounce water bottle Learn More
    $27.99 MSRP:  $34.49
  10. F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    InSinkErator F-201R Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    Fits the InSinkErator F-201 Water Filtration System, and all Series 1100 and 2200 Instant Hot Water Dispensers Learn More
    $67.99 MSRP:  $70.00
  11. F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    Fits most standard kitchen water faucets Learn More
    $13.89 MSRP:  $21.99
  12. F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    Fits most standard kitchen water faucets Learn More
    $28.99 MSRP:  $31.04
  13. 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  14. 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  15. Everpure H-54 Water Filter Replacement Cartridge (EV9730-06)
  16. SPC-45-1001 Hydronix Pleated Sediment Water Filter

    SPC-45-1001 Hydronix Pleated Sediment Water Filter

    9 7/8 inches by 4.5 inches. Fits filtration systems that use Liquatec SPF-45-1001, Pentek 255489-43 and Watts FM-BB-10-1 water filters Learn More
    $20.99 MSRP:  $27.99
  17. SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 1 micron. Fits into Big Blue water filtration housings systems that use Liquatec SWF-45-2001, Pentek: 355222-43 and Watts SF1-20-425 water filters Learn More
    $27.99
  18. SPC-25-2020 Hydronix Pleated Sediment Water Filter

    SPC-25-2020 Hydronix Pleated Sediment Water Filter

    20 inches by 2.5 inches, 20 micron. Fits into systems that use Liquatec SPF-25-2020, Pentek 255487-43 and Watts FM-20-20 water filters Learn More
    $14.99 MSRP:  $20.99
  19. SPC-25-2005 Hydronix Pleated Sediment Water Filter

    SPC-25-2005 Hydronix Pleated Sediment Water Filter

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More
    $14.99 MSRP:  $20.99
  20. SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 5 micron. Fits into most 20-inch Big Blue water filtration housings and replaces Liquatec SWF-45-2005, Pentek 355223-43 and Watts SF5-20-425 water filters Learn More
    $32.99
  21. SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    20 inches by 2.5 inches, 1 micron. Built to replace Liquatec SPF-25-2001, Pentek 255485-43 and Watts FM-1-20 water filters Learn More
    $18.99 MSRP:  $25.99
  22. SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    10 inches by 4.5 inches, 1 micron. Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More
    $17.99 MSRP:  $18.39
  23. SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    Fits water filtration systems that use the Liquatec SPF-45-2001, Pentek 255493-43 and Watts FM-BB-20-1 filters Learn More
    $29.99 MSRP:  $34.49
  24. SB-3 Squeezable Filtered Sport Bottle (27 oz.)

    SB-3 WaterWay Squeezable Filtered Sport Bottle (27 oz.)

    Comes complete with filter Learn More
    $11.39 MSRP:  $28.99
  25. SB-2R Water Bottle Replacement Filters (2-Pack)

    SB-2R Water Bottle Replacement Filters (2-Pack)

    Fits Culligan, Innova, Rubbermaid, Waterway filtered water bottles Learn More
    $7.99 MSRP:  $11.49

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