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. WROM-230T American Plumber Reverse Osmosis Replacement Membrane

    WROM-230T American Plumber Reverse Osmosis Replacement Membrane

    Fits American Plumber WRO-3000 Reverse Osmosis System Learn More
    $96.19 MSRP:  $118.99
  2. WROM-230TN American Plumber Reverse Osmosis Replacement Membrane

    WROM-230TN American Plumber Reverse Osmosis Replacement Membrane

    Fits American Plumber WRO-3500 Reverse Osmosis System Learn More
    $89.99 MSRP:  $104.65
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

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

    TFM-36 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $39.99 MSRP:  $49.44
  15. TFM-50 Desal Reverse Osmosis Membrane

    TFM-50 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $35.89 MSRP:  $48.99
  16. 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
    $69.99 MSRP:  $82.79
  17. TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $46.99 MSRP:  $56.34
  18. TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 75 gallon per day encapsulated membranes Learn More
    $52.79 MSRP:  $114.99
  19. TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 150 gallon per day encapsulated membranes Learn More
  20. BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    Fits industrial reverse osmosis systems that accept 4-inch x 40-inch membranes Learn More
    $280.99 MSRP:  $399.99
  21. NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99 MSRP:  $1152.29
  22. SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $211.29 MSRP:  $292.99
  23. SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $999.99 MSRP:  $1152.29
  24. TW30-1812-100HR Filmtec Reverse Osmosis Membrane (100GPD)

    TW30-1812-100HR Filmtec Reverse Osmosis Membrane (100GPD)

    Fits 100 gallon per day reverse osmosis systems from various brands Learn More
    $39.99 MSRP:  $48.29
  25. TW30-1812-24 Filmtec Reverse Osmosis Membrane

    TW30-1812-24 Filmtec Reverse Osmosis Membrane

    Fits 24 gallon per day reverse osmosis systems from various brands Learn More
    $23.99 MSRP:  $40.24

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