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DuPont (DOW) FILMTEC Reverse Osmosis Membranes

DuPont FilmTec

DuPont FilmTec RO Membranes for Every Application

DuPont FilmTec Membrane Elements

FilmTec RO membrane elements offer superior quality and performance for the separation of contaminants in concentrated water resulting in purified, clean drinking water. We supply DuPont FilmTec membranes for any application. These elements offer extremely high rejection capabilities, and utilize less energy to produce purified water than conventional elements using reverse osmosis (RO) and nanofiltration (NF) technologies. These membranes are exceptionally efficient in water treatment applications that include industrial, commercial, municipal, and consumer-related concerns.

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  • $270.00 - $270.00
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    2.5"x40" | 700 GPD | 99.4% Salt Rejection | Watermaker | FilmTec Seawater Membrane

    SW30-2540
    Item will ship in 3-10 days. Contact us for exact dates

    DOW FILMTEC™ SW30-2540 Seawater RO Elements for Watermakers and Marine Systems DOW FILMTEC SW30-2540 elements have one of the highest flow rat...

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    $270.00 - $270.00
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  • $29.50 - $29.50
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    50 GPD | 1.8x12 | DOW FilmTec Home RO Membrane Membrane

    TW30-1812-50HR
    In Stock for Immediate Shipment

    DOW FILMTEC™  TW30-1812-50HR Home RO Membrane Element DOW FILMTEC TW30-1812-50HR Elements for home drinking water treatment units produce 50 G...

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    $29.50 - $29.50
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    75 GPD | 1.8x12 | DOW FilmTec Home RO Membrane Element

    BW60-1812-75
    In Stock for Immediate Shipment

    DOW FILMTEC™ BW60-1812-75 Home RO Membrane Element DOW FILMTEC™ BW60-1812-75 Elements for home drinking water treatment units produce 75 GPD (...

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    $29.25 - $29.25
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  • $257.54 - $257.54
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    2.5"x21" | 300 GPD | 99.4% Salt Rejection | Watermaker | FilmTec Seawater Membrane

    SW30-2521
    Ships in 5 Days

    DOW FILMTEC™ SW30-2521 Seawater RO Elements for Watermakers and Marine Systems DOW FILMTEC SW30-2521 elements have one of the highes...

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    $257.54 - $257.54
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  • $281.99 - $281.99
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    4"x40" | 2,400 GPD | Tape Wrapped | DuPont FilmTec RO Membrane (Replaces TW30-4040)

    TW30 PRO-4040
    In Stock for Immediate Shipment

    DUPONT FILMTEC™  TW30 PRO-4040 Commercial Reverse Osmosis Membrane Element  Direct Replacement for FilmTec TW30-4040, which is now obsolete.  ...

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    $281.99 - $281.99
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  • $239.61 - $239.61
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    2.5"x40" | 1000 GPD | Tape Wrapped | DuPont DOW FilmTec RO Membrane (Replaces TW30-2540)

    TW30 PRO-2540
    In Stock for Immediate Shipment

    DUPONT FILMTEC™  TW30 PRO-2540 Commercial Reverse Osmosis Membrane Element  Direct Replacement for FilmTec TW30-2540, which is now obsolet...

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    $239.61 - $239.61
    $239.61
    $239.61 - $239.61
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  • $218.42 - $218.42
    $218.42
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    2.5"x21" | 325 GPD | Tape Wrapped | DOW FilmTec RO Membrane

    TW30-2521
    In Stock for Immediate Shipment

    DOW FILMTEC™ TW30-2521 Brackish Water Reverse Osmosis Membrane Element DOW FILMTEC TW30-2521 Elements produce high quality water for ...

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    $218.42 - $218.42
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  • $281.99 - $281.99
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    4"x40" | 2,400 GPD | Fiber Wrapped | DOW FilmTec RO Membrane | Replaces BW30-4040 & LC HR-4040

    BW30 PRO-4040
    In Stock for Immediate Shipment

    DuPont FILMTEC™ BW30 PRO-4040 Brackish Water Reverse Osmosis Membrane Element (Direct Replacement for DOW FilmTec BW30-4040 & LC HR-4040 )...

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    $281.99 - $281.99
    $281.99
    $281.99 - $281.99
    $281.99
  • $422.17 - $422.17
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    4"x40" | 97% Salt Rejection | 2,000 GPD | FilmTec NF90 Element

    NF90-4040
    In Stock for Immediate Shipment

    DOW FILMTEC™ NF90-4040 Nanofiltration (NF) Membrane Elements for Commercial Systems The DOW FILMTEC NF90-4040 membrane elements provide high p...

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    $422.17 - $422.17
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  • $471.07 - $471.07
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    4"x40" | 1,950 GPD | 99.4% Salt Rejection | Watermaker | FilmTec SW30-4040 Seawater Membrane

    SW30-4040
    In Stock for Immediate Shipment

    DuPont FILMTEC SW30-4040 Seawater RO Elements for Watermakers and Marine Systems (Replaces SW30HRLE-4040) DuPont DOW FILMTEC SW30-4040 element...

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    $471.07 - $471.07
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  • $236.35 - $236.35
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    2.5"x40" | 1,000 GPD | Fiber Wrapped | DOW FilmTec RO Membrane | Replaces BW30-2540

    BW30 PRO-2540
    In Stock for Immediate Shipment

    DuPont FILMTEC™ BW30 PRO-2540 Brackish Water Reverse Osmosis Membrane Element (Direct Replacement for DOW FilmTec BW30-2540) FILMTEC BW30 PRO...

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    $236.35 - $236.35
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  • $422.17 - $422.17
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    4"x40" | 97% Salt Rejection | 2,500 GPD | FilmTec NF270 Element

    NF270-4040
    In Stock for Immediate Shipment

    DOW FILMTEC NF270-4040 Nanofiltration (NF) Membrane Elements for Commercial Systems DOW FILMTEC NF270-4040 Elements are ideal for remo...

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    $422.17 - $422.17
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  • $384.68 - $384.68
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    2.5"x40" | DuPont FilmTec NF270 Nanofiltration Membrane | Medium Hardness Passage

    NF270-2540
    In Stock for Immediate Shipment

    DOW FILMTEC™ NF270-2540 Nanofiltration (NF) Membrane Elements for Commercial Systems DOW FILMTEC™ NF270-2540 Elements are ideal for removing a...

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    $384.68 - $384.68
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  • $339.04 - $339.04
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    4"x21" | 900 GPD | Tape Wrapped | DOW FilmTec RO Membrane

    TW30-4021
    In Stock for Immediate Shipment

    DOW FILMTEC™ TW30-4021 Commercial Reverse Osmosis Membrane Element DOW FILMTEC TW30-4021 Reverse Osmosis (RO) Elements offer high qua...

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    $339.04 - $339.04
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  • $366.75 - $366.75
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    2.5"x40" | DuPont FilmTec N90 Nanofiltration Membrane Element | High rejection

    NF90-2540
    Ships in 7 days

    DOW FILMTEC™ NF90-2540 Nanofiltration (NF) Membrane Elements for Commercial Systems The DOW FILMTEC NF90-2540 membrane elements provide high p...

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    $366.75 - $366.75
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  • $161.37 - $161.37
    $161.37
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    2.5"x14" | 200 GPD | Tape Wrapped | DOW FilmTec RO Membrane

    TW30-2514
    In Stock for Immediate Shipment

    DOW FILMTEC™ TW30-2514 Brackish Water Reverse Osmosis Membrane Element DOW FILMTEC TW30-2514 Elements produce high quality water for ...

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    $161.37 - $161.37
    $161.37
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  • $36.00 - $36.00
    $36.00
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    100 GPD | High Rejection | 1.8 x 12 | DOW FilmTec RO Membrane

    TW30-1812-100HR
    In Stock for Immediate Shipment

    DOW FILMTEC™ TW30-1812-100HR High Rejection Home RO Membrane Element DOW FILMTEC TW30-1812-100HR Elements for home drinking water tre...

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    $36.00 - $36.00
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  • $598.21 - $598.21
    $598.21
    $635.70
    $635.70 - $635.70
    $635.70

    4"x40" | Full-Fit | Heat-Sanitizable | 2,400 GPD | FilmTec RO

    HSRO-4040-FF
    Ships in 5 Days

    DOW FILMTEC™ HSRO-4040-FF Heat-Sanitizable Full-Fit RO Elements DOW FILMTEC™ HSRO-4040-FF Elements are heat-sanitizable reverse osmosis elemen...

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    $598.21 - $598.21
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    $635.70
    $635.70 - $635.70
    $635.70
  • $594.95 - $594.95
    $594.95
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    $594.95

    4"x40" | Full-Fit | Sanitary| 2,400 GPD | FilmTec RO Membrane

    RO-4040-FF
    Ships in 7 days

    DOW FILMTEC™ RO-4040-FF Sanitary-Grade Full-Fit Elements for Sanitary Applications DOW FILMTEC RO-4040-FF elements deliver high flux and outst...

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    $594.95 - $594.95
    $594.95
    $594.95 - $594.95
    $594.95
  • $766.16 - $766.16
    $766.16
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    8"x40" | 10,500 GPD | 99.5% Rej | 400 ft2 | FilmTec RO Membrane

    BW30-400
    Ships in 5 Days

    DOW FILMTEC™ BW30-400 Industrial BWRO Membrane Element DOW FILMTEC BW30-400 elements are the product of choice when high quality permeates ar...

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    $766.16 - $766.16
    $766.16
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DuPont (Formerly DOW) FilmTec RO Membranes: Home RO Systems, Nanofiltration, Commercial, Seawater & More


FilmTec membranes are used for a variety of applications including residential, commercial, seawater, industrial water, and nanofiltration reverse osmosis elements. From brackish water treatment to custom water purification projects, FilmTec RO membranes have continued to meet the highest expectations with unmatched performance, reliability, and economical cost across many use applications.

DOW (DuPont) FilmTec Membranes Specifications


  • FilmTec Home RO Membranes: RO Membranes for Point of Use (Under the Counter) Home RO Systems. Standard "18x12" Size
    • TW30-1812-24,TW30-1812-36, TW30-1812-50, BW60-1812-75, TW30-1812-100
  • FilmTec Commercial RO Membranes: Reverse Osmosis Membrane Elements for Tap or Brackish Water in Commercial Applications. Tape or Fiberglass Wrapped.
    • 2", 2.5" & 4"Diameter, 14"-40" Length | TW30, XLE, BW30, LP, LE, LC LE, LC HR
  • FilmTec Industrial RO Membranes: Reverse Osmosis Membrane Elements for Water Demineralization in High Flow and Industrial Applications.
    • 8" x40" | BW30, BW30FR, BW30HR, LE, XLE, HRLE
  • FilmTec Seawater RO Membranes: Seawater Desalination SWRO Membranes for Watermakers and Sea-Based & Land-Based Desalinators.
    • 2.5", 4" & 8" Diameter, 14"-40" Length | SW30, SW30HRLE, SW30XLE
  • FilmTec Nanofiltration Membranes: Nanofiltration (NF) Membranes for High-Productivity, Low Energy Removal of Minerals and Organic Compounds
    • 2.5x40, 4x40, 8x40 | NF270, NF90
  • FilmTec Full Fit Sanitary RO Membranes: Cage Wrapped ("Full Fit") Reverse Osmosis Elements for Sanitary, Evaporator, and Medical Applications.
    • 4"x40", 8"x40" |RO, HSRO Heat Sanitizable

Quality RO Membrane Elements


At wateranywhere, we constantly strive to move the industry forward when it comes to the quality and safety of your water supply. We stock trusted, high-performance brands that are sure to meet your water purification needs, and exceed your expectations. We have precisely what you need to make your water clean and safe. Contact us today with questions about DuPont FilmTec (formerly DOW FilmTec) RO membranes.

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