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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

Items 1 to 25 of 134 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  1. Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More
    $50.99 MSRP:  $112.99
  2. EV9612-56 Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier

    EV9612-56 Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  3. ELF-XL-1M-KDF Everpure Comparable Food Service Replacement Filter by Tier1

    ELF-XL-1M-KDF Everpure Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  4. 4621-20 Nucalgon Comparable Food Service Replacement Filter by Tier1

    4621-20 Nucalgon Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  5. NU-MC2 Nucalgon Comparable Food Service Replacement Filter by Tier1

    NU-MC2 Nucalgon Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  6. CFS9110 Cuno Comparable Food Service Replacement Filter by Tier1

    CFS9110 Cuno Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  7. CFS9112 Cuno Comparable Food Service Replacement Filter by Tier1

    CFS9112 Cuno Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  8. EP25 Aquapure Comparable Food Service Replacement Filter by Tier1

    EP25 Aquapure Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  9. 9320-2401 Ecolab Comparable Food Service Replacement Filter by Tier1

    9320-2401 Ecolab Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  10. ECO-MC Ecolab Comparable Food Service Replacement Filter by Tier1

    ECO-MC Ecolab Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

  11. FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  12. FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    1/2 x 1/2 inch FNPT fitting Learn More
    $52.99 MSRP:  $90.00
  13. Pentair GF20-40BPPPDB Industrial Triflex Microfiberglass Cartridge

    Pentair GF20-40BPPPDB Industrial Triflex Microfiberglass Cartridge

    Fits systems that accept 40 x 2.5-inch filters Learn More
    $52.99 MSRP:  $67.99
  14. C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter

    C2-02 Advanced Water Products Replacement 20-inch x 4.5-inch Carbon Whole House Filter

    Fits most 20-inch x 4.5-inch filter housings, including the Trojan UV Max IHS12-D4 and IHS22-D4 Water Disinfection Systems Learn More
  15. C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)

    C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1 (4-Pack)

    Fits most standard 20 x 2.5-inch housings Learn More

    $54.99

  16. 602974 Viqua Quartz Sleeve for 602854 UV Lamp

    602974 Viqua Quartz Sleeve for 602854 UV Lamp

    For use with Viqua ultraviolet disinfection systems using the 602854 UV lamp Learn More
    $55.00 MSRP:  $66.99
  17. Pentair GF20-30BPPPDB Industrial Triflex Microfiberglass Cartridge

    Pentair GF20-30BPPPDB Industrial Triflex Microfiberglass Cartridge

    Fits systems that accept 30 x 2.5-inch filters Learn More
    $57.99 MSRP:  $72.99
  18. APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    Fits the Scotsman ADS-AP1 AquaPatrol Water Filtration System Learn More
    $58.05 MSRP:  $94.99
  19. Pentek 150236 Big Blue Heavy Duty Filter Housing

    Pentek 150236 Big Blue Heavy Duty Filter Housing

    Receives any standard 20 inch by 4.5 inch filter cartridge Learn More
    $58.99 MSRP:  $73.99
  20. 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
    $59.00 MSRP:  $78.99
  21. 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
    $59.00 MSRP:  $76.99
  22. 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
    $59.00 MSRP:  $79.99
  23. 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  24. 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    Fits 1/4-inch inline shut-off valve Learn More
    $59.99 MSRP:  $64.99
  25. Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Accepts standard 10 x 4.5-inch filters Learn More
    $59.99 MSRP:  $75.99

Items 1 to 25 of 134 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top