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, & 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.

Clear All
Compare

Items 1 to 25 of 268 total

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

Grid  List 

Set Descending Direction
  1. W9125010 Doulton CleanSoft Scale Pre-Filter Replacement Cartridge

    W9125010 Doulton CleanSoft Scale Pre-Filter Replacement Cartridge

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $30.00 MSRP:  $59.96
  2. TROM-50 Reverse Osmosis Membrane by Tier1 (50 GPD)

    TROM-50 Reverse Osmosis Membrane by Tier1 (50 GPD)

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More
    $30.99 MSRP:  $50.99
  3. 603053 Viqua Bottom Sleeve Bolt

    603053 Viqua Bottom Sleeve Bolt

    Fits Viqua PRO series, H/PLUS, K/PLUS systems. Fits discontinued Trojan UV Max G/PLUS, J/PLUS systems. Learn More
    $30.99 MSRP:  $33.34
  4. Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  5. EV9601-00 Everpure Comparable Food Service Replacement Filter by Tier1
  6. EV9600-00 Everpure Comparable Food Service Replacement Filter by Tier1
  7. EV9720-06 Everpure Comparable Food Service Replacement Filter by Tier1
  8. ELF-1M Omnipure Comparable Food Service Replacement Filter by Tier1
  9. ELF-1ML Omnipure Comparable Food Service Replacement Filter by Tier1
  10. Filmtec TW30-1812-50 Comparable Reverse Osmosis Membrane by Tier1

    Filmtec TW30-1812-50 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  11. Axeon 200359 Comparable Reverse Osmosis Membrane by Tier1

    Axeon 200359 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  12. Coralife 100105704 Comparable Reverse Osmosis Membrane by Tier1

    Coralife 100105704 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  13. AMI T1812A50 Comparable Reverse Osmosis Membrane by Tier1

    AMI T1812A50 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  14. Watts 560018 Comparable Reverse Osmosis Membrane by Tier1

    Watts 560018 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  15. Pentair TLC-50 Comparable Reverse Osmosis Membrane by Tier1

    Pentair TLC-50 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  16. TROM- 50 Comparable Reverse Osmosis Membrane by Tier1

    Desal TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    Fits most residential RO systems with 50 gallons per day of flow rate Learn More

    As Low As $0.00 Per Filter

  17. WFPF13003B DuPont Universal Whole House Filtration System

    WFPF13003B DuPont Universal Whole House Filtration System

    For use with DuPont WFPFC whole house filter cartridges Learn More
  18. AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC

    AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC

    Fits standard 10 x 2.5-inch filter housings Learn More
    $31.99
  19. Garnet-812 Watts Water Treatment Media #8-12
  20. Tier1 TROM-24 RO Membrane
  21. WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System

    WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System

    For use with DuPont WFPFC whole house filter cartridges Learn More
  22. NCP-BB Pentek Whole House Water Filter
  23. Everpure EV9617-36 Comparable Food Service Replacement Filter by Tier1
  24. EV9617-36 Everpure Comparable Food Service Replacement Filter by Tier1

    EV9617-36 Everpure Comparable Food Service Replacement Filter by Tier1

    Made in the USA! Learn More

    As Low As $0.00 Per Filter

  25. ELF-5M-KDF-P Omnupure Comparable Food Service Replacement Filter by Tier1

    ELF-5M-KDF-P Omnupure Comparable Food Service Replacement Filter by Tier1

    Made in the USA! Learn More

    As Low As $0.00 Per Filter

Items 1 to 25 of 268 total

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

Grid  List 

Set Descending Direction
Scroll To Top