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

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Water Filtration Systems, Filters, & Parts

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. 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  2. F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    InSinkErator F-601R 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
  3. 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    Built with a two-stage filtration and protected by a one year limited warranty Learn More
    $153.99 MSRP:  $183.95
  4. AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    Fits water filtration systems that accept 20 x 4.5 inch cartridges, including the #20 Big Blue and Big Boy housings by Pentek Learn More
    $121.99
  5. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $126.05 MSRP:  $171.99
  6. BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-S Viqua UV Disinfection System Controller

    For use with SQ-PA series Viqua ultraviolet disinfection systems Learn More
    $149.00 MSRP:  $172.99
  7. BA-ICE-V Viqua UV Disinfection System Controller

    BA-ICE-V Viqua UV Disinfection System Controller

    For use with Viqua S2Q-PV and S5Q-PV ultraviolet disinfection systems Learn More
    $179.00 MSRP:  $225.00

    Out of stock

  8. 602806 Viqua Water Disinfection System UV Lamp

    602806 Viqua Water Disinfection System UV Lamp

    Fits Viqua E4, E4+, E4-V, E4-V+, E4-50+, IHS22-E4 systems. Fits Trojan PRO7 system. Learn More
    $109.00 MSRP:  $141.99
  9. 602807 Viqua Water Disinfection System UV Lamp

    602807 Viqua Water Disinfection System UV Lamp

    Fits Viqua F4, F4+, F4-V, F4-V+, F4-50+ systems. Fits Trojan PRO15 system. Learn More
    $115.00 MSRP:  $154.99
  10. Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Fits Viqua D model systems Learn More
    $119.00 MSRP:  $154.99

    Out of stock

  11. 602854 Viqua Water Disinfection System UV Lamp

    602854 Viqua Water Disinfection System UV Lamp

    Fits Viqua PRO10 system. Fits Trojan G, G+ systems. Learn More
    $179.00 MSRP:  $224.99

    Out of stock

  12. 650538 CoolTouch Temperature Management Valve

    650538 Viqua CoolTouch Temperature Management Valve

    Suitable for Viqua E/PLUS, E4/PLUS, F/PLUS, F4/PLUS, and other systems with 1-inch outlet. Learn More
    $130.99 MSRP:  $175.00

    Out of stock

  13. UV100A1059 Honeywell UV Surface Treatment System
  14. Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Fits standard filter housings that accept 30 x 2.5-inch filters Learn More
    $107.99 MSRP:  $130.99

    Out of stock

  15. P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    Fits SGP195BN-T Espresso Filtration System Learn More
    $176.99 MSRP:  $237.99

    Out of stock

  16. Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Fits most standard kitchen sinks Learn More
    $127.49 MSRP:  $153.99

    Out of stock

  17. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)

    ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)

    Fits most standard 10 x 5-inch housings Learn More

    $134.99

  18. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)

    Fits most 10 x 4.5-inch filter housings Learn More

    $181.99

  19. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  20. PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1

    PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1

    Fits water filtration systems that accept 20 x 4.5 inch cartridges, including the #20 Big Blue and Big Boy housings by Pentek Learn More
  21. 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1

    22070 Hydrologic Comparable Whole House Carbon Filter by Tier1

    Sized at 10 x 4.5 inches, this filter will fit into all #10 Big Blue filtration system housings Learn More

    As Low As $0.00 Per Filter

  22. W9331028 Doulton Supercarb Counter Top Filter System

    W9331028 Doulton Supercarb Counter Top Filter System

    Fits any Doulton brand 10x2.5 inch ceramic filter candle Learn More
    $141.00 MSRP:  $167.99
  23. W9380010 Doulton Two Stage Water Filter System

    W9380010 Doulton Two Stage Water Filter System

    Fits with any 10x2.5 inch sized Doulton brand filter candles Learn More
    $122.99 MSRP:  $146.99
  24. W9380040 Doulton Two Stage Duo Undersink Drinking Water System

    W9380040 Doulton Two Stage Duo Undersink Drinking Water System

    Fits Doulton brand 10-inch filters Learn More
    $136.00 MSRP:  $161.99
  25. FMHC-90-1EZ Flow Max Replacement Filter Cartridge

    FMHC-90-1EZ Flow Max Replacement Filter Cartridge

    Compatible with housings sized 10 x 4-1/2 inches Learn More
    $103.99 MSRP:  $126.99

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