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. K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    Fits standard 3/8-inch water lines Learn More
    $39.59 MSRP:  $53.99
  2. Everpure EV9592-06 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9592-06 Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Head Learn More
    $59.99 MSRP:  $116.99
  3. 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
  4. Everpure EV9617-21 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9617-21 Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Heads Learn More
    $26.99 MSRP:  $92.99
  5. K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    Fits directly into many copper or plastic water lines Learn More

    As Low As $0.00 Per Filter

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. Omnipure ELF-10M-P Carbon Block with Polyphosphate

    Omnipure ELF-10M-P Carbon Block with Polyphosphate

    Proprietary design fits Omnipure ELF and E series valve heads Learn More
    $47.99 MSRP:  $50.34
  16. E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-4 Learn More
    $27.39 MSRP:  $34.99
  17. E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-5 Learn More
    $21.99 MSRP:  $26.44
  18. E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-6 Learn More
    $26.99 MSRP:  $40.24
  19. E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-7 Learn More
    $22.19 MSRP:  $33.99
  20. E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-8 Learn More
    $45.99 MSRP:  $52.89
  21. E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-9 Learn More
    $41.19 MSRP:  $55.99
  22. E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-10 Learn More
    $33.99 MSRP:  $36.34
  23. E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-11 Learn More
    $25.99 MSRP:  $32.19
  24. ELF-1M Omnipure Replacement Filter Cartridge

    ELF-1M Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF permanent filter heads Learn More
    $35.99
  25. ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF permanent filter heads Learn More
    $31.99 MSRP:  $40.24

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