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. 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    Fits Viqua H, H+, and PRO20 UltraViolet filtration systems. Learn More
    $209.00 MSRP:  $268.99

    Out of stock

  2. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  3. HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  4. 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    Fits Viqua K, K+, PRO30, PRO50 UltraViolet filtration systems. Fits Trojan J, J+ UltraViolet filtration systems. Sterilight S80, SM80, SV50 UltraViolet filtration systems. Learn More
    $255.00 MSRP:  $313.99

    Out of stock

  5. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    Fits most standard 10 x 5-inch housings Learn More

    $261.99

  6. 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    Fits Viqua D/D4 PLUS, E/E4 PLUS, and F/F4 PLUS systems Learn More
    $265.00 MSRP:  $340.00

    Out of stock

  7. BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    For use with Viqua VP600, VP950 ultraviolet disinfection systems. Fits discontinued Sterilight SC-600, SC-740 systems. Learn More
    $289.00 MSRP:  $379.00
  8. 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    For use with Viqua D4/PLUS, D4-V, E4/PLUS, E4-V, F4/PLUS, F4-V, and IHS (D4 series) ultraviolet disinfection systems Learn More
  9. 602855 Trojan UV Max UV Lamp

    602855 Trojan UV Max UV Lamp

    Fits Trojan UVMAX H, H Plus and Pro20 Systems Learn More
  10. XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $202.99 MSRP:  $232.29

    Out of stock

  11. 8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    Fits the Katadyn K-Pocket camping filter system Learn More
    $206.99 MSRP:  $257.99

    Out of stock

  12. SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $211.29 MSRP:  $292.99

    Out of stock

  13. EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    Fits standard 3/8-inch water lines Learn More
    $218.99 MSRP:  $273.69

    Out of stock

  14. WHADVS5/WHED20 Whirlpool Undersink Water Filtration System

    WHADVS5/WHED20 Whirlpool Undersink Water Filtration System

    Fits and installs easily beneath standard sized sinks Learn More
    $218.99

    Out of stock

  15. 8017763 Katadyn Camping Filter System

    8017763 Katadyn Camping Filter System

    $219.95 MSRP:  $255.24

    Out of stock

  16. AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 40-inch membranes Learn More
    $219.99 MSRP:  $226.54
  17. AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 21-inch membranes Learn More
    $232.99 MSRP:  $270.24

    Out of stock

  18. TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $233.99 MSRP:  $236.34

    Out of stock

  19. 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4021 sized membranes Learn More
    $236.79 MSRP:  $286.99

    Out of stock

  20. LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  21. ST-2 Pentek Filter Housing - Stainless Steel

    ST-2 Pentek Filter Housing - Stainless Steel

    Fits standard 3/4-inch water lines Learn More
    $239.89 MSRP:  $368.99

    Out of stock

  22. 200391 Axeon Reverse Osmosis Membrane

    200391 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $240.99 MSRP:  $308.99

    Out of stock

  23. FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  24. 650716-006 Trojan UVMAX C4 UV Disinfection System Controller

    650716-006 Trojan UVMAX C4 UV Disinfection System Controller

    Fits Trojan UVMAX C4 UV disinfection systems released between 1994 and 2008 Learn More
    $249.00 MSRP:  $272.54

    Out of stock

  25. TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $249.99 MSRP:  $289.79

    Out of stock

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