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. TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan reverse osmosis systems Learn More
    $45.99 MSRP:  $55.19
  2. TFM-18 Desal Compatible Reverse Osmosis Membrane by Tier1

    TFM-18 Desal Compatible Reverse Osmosis Membrane by Tier1

    Fits select Culligan and various other brands of reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  3. TFM-36 Desal Comparable Reverse Osmosis Membrane by Tier1

    TFM-36 Desal Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  4. TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  5. TW30-1812-50 Watts Comparable Reverse Osmosis Membrane by Tier1

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

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

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

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

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  7. TF-1812-50 Axeon Comparable Reverse Osmosis Membrane by Tier1

    TF-1812-50 Axeon Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  8. AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 21-inch membranes Learn More
    $137.29 MSRP:  $203.99
  9. AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 40-inch membranes Learn More
    $219.99 MSRP:  $226.54
  10. AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 21-inch membranes Learn More
    $232.99 MSRP:  $270.24
  11. AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 40-inch membranes Learn More
    $319.99 MSRP:  $370.29
  12. AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 40-inch membranes Learn More
    $329.99 MSRP:  $381.79
  13. CTA-10 Desal Reverse Osmosis Membrane

    CTA-10 Desal Reverse Osmosis Membrane

    Fits 16 gallon per day reverse osmosis systems from various brands Learn More
    $39.99 MSRP:  $48.29
  14. CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    Fits 10 gallon per day reverse osmosis systems from various brands Learn More
    $44.39 MSRP:  $67.99
  15. CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    Fits Culligan 16 gallon per day reverse osmosis systems Learn More
    $46.49 MSRP:  $67.99
  16. GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    Fits the GE Merlin Reverse Osmosis System Learn More
    $18.99 MSRP:  $27.99
  17. PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels and many commercial reverse osmosis systems that accept a 4-inch x 40-inch membrane Learn More
    $999.99 MSRP:  $1152.29
  18. RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels and many commercial reverse osmosis systems that accept a 4-inch x 40-inch membrane Learn More
    $449.99 MSRP:  $519.79
  19. TFM-100 Desal Reverse Osmosis Membrane

    TFM-100 Desal Reverse Osmosis Membrane

    Fits several brands of 100 gallon per day reverse osmosis systems, including the PuROLine 5000 Learn More
    $29.99 MSRP:  $32.19
  20. TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 100 gallon per day encapsulated membranes Learn More
    $57.99 MSRP:  $68.99
  21. TFM-18 Desal Reverse Osmosis Membrane

    TFM-18 Desal Reverse Osmosis Membrane

    Fits 18 gallon per day reverse osmosis systems from various brands Learn More
    $33.99 MSRP:  $39.09
  22. TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $24.99 MSRP:  $47.14
  23. TFM-36 Desal Reverse Osmosis Membrane

    TFM-36 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $59.99
  24. TFM-50 Desal Reverse Osmosis Membrane

    TFM-50 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $35.89 MSRP:  $48.99
  25. TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 50 gallon per day encapsulated membranes Learn More

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