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. 8017756 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Blue Splash
  2. 36002017 PURA UV Lamp

    36002017 PURA UV Lamp

    Fits the Pentek UV-110 System Learn More
    $60.09 MSRP:  $81.99
  3. CQE-RC-04005 Crystal Quest Ceramic Water Filter Cartridge

    CQE-RC-04005 Crystal Quest Ceramic Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $60.09 MSRP:  $77.99
  4. 602734 Viqua Quartz Sleeve for 602807 UV Lamp

    602734 Viqua Quartz Sleeve for 602807 UV Lamp

    For use with Viqua ultraviolet disinfection systems using the 602807 UV lamp Learn More
    $60.09 MSRP:  $76.99
  5. 602975 Viqua Quartz Sleeve for 602855 UV Lamp

    602975 Viqua Quartz Sleeve for 602855 UV Lamp

    For use the Viqua ultraviolet disinfection system using the 602855 UV lamp Learn More
    $60.09 MSRP:  $79.99
  6. 1-100-F Rusco Spin-Down Water Filter System

    1-100-F Rusco Spin-Down Water Filter System

    100 mesh, 152 micron and built to fit a one-inch pipe Learn More
    $60.69 MSRP:  $74.74
  7. SWC1350-C Cuno Whole House Filter Replacement Cartridge

    SWC1350-C Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service CFS6090-C and CFS6135-C Water Treatment Systems Learn More
    $60.99 MSRP:  $81.64
  8. EV9612-56 Everpure MC2 Replacement Filter Cartridge

    EV9612-56 Everpure MC2 Replacement Filter Cartridge

    Fits Everpure filter heads that use the MC2 system Learn More
    $60.99 MSRP:  $114.99
  9. CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    Fits the Cuno CS-511 and CUNO CS-711 filter systems Learn More
    $61.29 MSRP:  $81.99
  10. 4373575 Whirlpool Undersink Filter Kit

    4373575 Whirlpool Undersink Filter Kit

    Fits Whirlpool WSR413 and WSC200YW filter systems Learn More
    $61.79 MSRP:  $97.99
  11. CQE-RC-04003 Crystal Quest Multi Stage ULTRA Water Filter Cartridge

    CQE-RC-04003 Crystal Quest Multi Stage ULTRA Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    $61.89 MSRP:  $81.99
  12. EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $61.99
  13. CQE-SP-00809 Crystal Quest Bath Ball Filter

    CQE-SP-00809 Crystal Quest Bath Ball Filter

    Hangs from your tub spigot and filters water as it flows through Learn More
    $61.99 MSRP:  $73.59
  14. 20720 Katadyn Replacement Filter Element

    20720 Katadyn Replacement Filter Element

    Fits the Katadyn 'Drip Gravidyn' System Learn More
    $62.09 MSRP:  $81.99
  15. QS-012 Viqua Quartz Sleeve for S740RL-4C UV Lamp

    QS-012 Viqua Quartz Sleeve for S740RL-4C UV Lamp

    For use with Viqua ultraviolet disinfection systems using the S740RL-4C UV lamp Learn More
    $62.09 MSRP:  $78.99
  16. FX12M GE SmartWater Reverse Osmosis Membrane

    FX12M GE SmartWater Reverse Osmosis Membrane

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "PNRV12", "GXRV10", or "GXRM10" Learn More
    $62.29 MSRP:  $89.99
  17. FX12P GE SmartWater Reverse Osmosis Filter Set

    FX12P GE SmartWater Reverse Osmosis Filter Set

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "PNRV12", "GXRV10", or "GXRM10" Learn More
    $62.29 MSRP:  $82.99
  18. FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $62.89 MSRP:  $89.99
  19. 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System

    3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System

    500 mesh, 30 micron and built to fit a .75-inch pipe Learn More
    $62.89 MSRP:  $74.62
  20. RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  21. CFS9112 Cuno Whole House Filter Replacement Cartridge

    CFS9112 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 9000 Series Replacement Cartridges or the Everpure QL Series filter heads Learn More
    $62.99 MSRP:  $71.29
  22. SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1

    SFH5-CM Sprite ShowerFalls Filtered Shower Extension (Chrome)

    Attaches to residential showers and baths Learn More
  23. WI-BG-COUNTERTOP-FILTER Body Glove Replacement Countertop Water Filter

    WI-BG-COUNTERTOP-FILTER Body Glove Replacement Countertop Water Filter

    For use with the Body Glove Countertop Water Filtration System Learn More
    $62.99 MSRP:  $80.95
  24. FRSS-12 Sterilight 12 GPM 1-inch Flow Restrictor
  25. FRSS-20 Sterilight 20 GPM 1-inch Flow Restrictor

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