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. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $21.09 MSRP:  $33.99
  2. CL6ROT33-A Omnipure GAC Inline Water Filter

    CL6ROT33-A Omnipure GAC Inline Water Filter

    Ideal for use in water coolers, drinking fountains, under sink systems, ice machines, and reverse osmosis systems Learn More
  3. K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    Fits standard 3/8-inch copper and plastic water lines Learn More
    $14.29 MSRP:  $20.99
  4. 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
  5. K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    Fits standard 3/8-inch water lines Learn More
    $11.99 MSRP:  $17.99
  6. Everpure EV9612-22 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9612-22 Comparable Food Service Replacement Filter by Tier1

    Fits QL2, QL3, QL7I Single Head Learn More
    $59.99 MSRP:  $116.99
  7. Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1

    Fits QL1, QL2, QL3, QL3B, QL7I Single Heads Learn More
    $19.95 MSRP:  $68.99
  8. 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
  9. 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
  10. CL6ROT33-B Omnipure Comparable Granular Activated Inline Water Filter by Tier1
  11. 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

  12. CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  13. K5686-JJ Omnipure Comparable Inline Water Filter by Tier1

    K5686-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  14. K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  15. K2540-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2540-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  16. K2533BB Omnipure Comparable Inline Water Filter by Tier1

    K2533BB Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  17. K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  18. CL10ROT33-C-Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT33-C-Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  19. CL10ROT40-B Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT40-B Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  20. K2528-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2528-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  21. K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  22. CL10ROT40-C Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT40-C Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  23. K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  24. K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  25. K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

Items 1 to 25 of 191 total

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