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. W9125010 Doulton Specialty Replacement Filter 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. 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
  3. Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  4. EV9601-00 Everpure Comparable Food Service Replacement Filter by Tier1
  5. EV9600-00 Everpure Comparable Food Service Replacement Filter by Tier1
  6. EV9720-06 Everpure Comparable Food Service Replacement Filter by Tier1
  7. ELF-1M Omnipure Comparable Food Service Replacement Filter by Tier1
  8. ELF-1ML Omnipure Comparable Food Service Replacement Filter by Tier1
  9. 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
  10. WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge

    WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge

    Fits WFHD13001B Universal Heavy Duty Whole House Filtration System and other brands of 10x4.5-inch filter systems Learn More
    $31.99 MSRP:  $32.92
  11. 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
  12. Garnet-812 Watts Water Treatment Media #8-12
  13. EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $23.00 Per Filter

  14. Tier1 TROM-24 RO Membrane
  15. 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
  16. NCP-BB Pentek Whole House Water Filter
  17. Everpure EV9617-36 Comparable Food Service Replacement Filter by Tier1
  18. 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

  19. 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

  20. OB1-S-S06 OmniFilter Undersink Water Filter System

    OB1-S-S06 OmniFilter Undersink Water Filter System

    Fits 3/4-inch water line Learn More
    $33.05
  21. WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge

    WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge

    Fits WFDW120009W DuPont Universal Drinking Water Filter System and other brands of 10-inch standard-size filter systems Learn More
    $33.99 MSRP:  $45.85
  22. Everpure H-300 comparable granular activated carbon filter by Tier1

    Everpure H-300 comparable granular activated carbon filter by Tier1

    QL2, QL3, QLL7I (Single Head) Learn More
    $33.99 MSRP:  $55.99
  23. EV9270-72 Everpure Comparable Granular Activated Carbon Filter by Tier1

    EV9270-72 Everpure Comparable Granular Activated Carbon Filter by Tier1

    QL2, QL3, QLL7I (Single Head) Learn More

    As Low As $0.00 Per Filter

  24. EV9270-71 Everpure Comparable Granular Activated Carbon Filter by Tier1

    EV9270-71 Everpure Comparable Granular Activated Carbon Filter by Tier1

    QL2, QL3, QLL7I (Single Head) Learn More

    As Low As $0.00 Per Filter

  25. ELF-1M-P-KDF Omnipure comparable granular activated carbon filter by Tier1

    ELF-1M-P-KDF Omnipure comparable granular activated carbon filter by Tier1

    QL2, QL3, QLL7I (Single Head) Learn More

    As Low As $0.00 Per Filter

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