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Membranes

Replacement RO Membranes for Water Filtration Systems


We provide AppIied Membranes, Inc., Filmtec, LG, and GE replacement RO membranes used for home and business RO water filtration systems. At wateranywhere, we stock a large inventory of membrane elements from a variety of manufacturers that can fit various systems. Our products are on-hand and ready for immediate shipment.

Reverse osmosis is not only an efficient and cost-effective membrane separation process, but with proper care, these systems deliver an exceptional return on investment. RO membrane elements are recommended to be replaced every 24 months.

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    2.5"x40" | 700 GPD | 99.6% Salt Rejection | Watermaker Seawater RO Membrane | Applied Membranes

    M-S2540A
    In Stock for Immediate Shipment

    AMI 2.5x40 Seawater Desalination Reverse Osmosis Membranes For Watermakers and Land-and-Sea Based Seawater Desalinators Highest Salt Rejection ...

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    2.5"x21" | 300 GPD | 99.6% Salt Rejection | Watermaker Seawater RO Membrane | Applied Membranes

    M-S2521A
    In Stock for Immediate Shipment

    AMI 2.5x21 Seawater Desalination Reverse Osmosis Membranes For Watermakers and Land-and-Sea Based Seawater Desalinators Highest Salt Rejection ...

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    2.5"x40" | 700 GPD | 99.4% Salt Rejection | Watermaker | FilmTec Seawater Membrane

    SW30-2540
    In Stock for Immediate Shipment

    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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    2.5"x21" | 300 GPD | 99.4% Salt Rejection | Watermaker | FilmTec Seawater Membrane

    SW30-2521
    In Stock for Immediate Shipment

    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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    RO Membrane Replacement Cartridge for NTR-RO-50

    NTR-50M
    In Stock for Immediate Shipment

    Replacement RO Membrane Cartridge for NTR-RO-50 Home RO System - Stage 3 Model Number: NTR-50M Compatible with Systems: NTR-RO-50(Not...

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    2.5” x 21” | 450 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes

    M-T2521ALE
    In Stock for Immediate Shipment

    2.5" x 21" Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 450 GPD at 150 PSI AMI Low Energy (Low Pressure) RO Membrane elements a...

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    2.5” x 40” | 1200 GPD High Flow Reverse Osmosis RO Membrane | Applied Membranes

    M-T2540AHF
    In Stock for Immediate Shipment

    2.5" x 40" High Flow Reverse Osmosis Membrane | Tap or Brackish Water | 850 GPD RO Membrane AMI commercial RO membrane elements produce high qual...

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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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    2.5” x 21” | 405 GPD High Flow Reverse Osmosis RO Membrane | Applied Membranes

    M-T2521AHF
    In Stock for Immediate Shipment

    2.5" x 21" High Flow Reverse Osmosis Membrane | Tap or Brackish Water | 405 GPD RO Membrane AMI commercial RO membrane elements produce high qua...

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    2.5"x14" | 150 GPD | 99.6% Salt Rejection | Watermaker Seawater RO Membrane | Applied Membranes

    M-S2514A
    In Stock for Immediate Shipment

    AMI 2.5x14 Seawater Desalination Reverse Osmosis Membranes For Watermakers and Land-and-Sea Based Seawater Desalinators Highest Salt Rejection ...

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    $245.00 - $245.00
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    2.5"x40" | 1200 GPD | Extra-Low Energy 125 psi | Tape Wrap | FilmTec Membrane | Replaces XLE-2540

    XLE PRO-2540
    In Stock for Immediate Shipment

    DUPONT FILMTEC™ XLE PRO-2540 Low Energy Brackish Water Reverse Osmosis Membrane Element FILMTEC XLE PRO-2540 Elements offer better system perf...

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    2.5" x 21" | 325 GPD Commercial Reverse Osmosis RO Membrane | Applied Membranes

    M-T2521A
    In Stock for Immediate Shipment

    2.5" x 21" Reverse Osmosis Membrane | Tap or Brackish Water | 325 GPD RO Membrane AMI commercial RO membrane elements produce high quality water...

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    2.5" x 40" | 1000 GPD Commercial Reverse Osmosis RO Membrane | Applied Membranes

    M-T2540A
    In Stock for Immediate Shipment

    2.5" x 40" Reverse Osmosis Membrane | Tap or Brackish Water | 1000 GPD RO Membrane AMI commercial RO membrane elements produce high quality wate...

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    $210.00 - $210.00
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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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    2.5” x 40” | 1000 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes

    M-T2540ALE
    In Stock for Immediate Shipment

    2.5" x 40" Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 1,000 GPD at 150 PSI AMI Low Energy (Low Pressure) RO Membrane elements...

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    2.5"x38" | 550 gpd | RO Membrane for Village Marine Watermaker

    M-S2538A
    In Stock for Immediate Shipment

    AMI 2.5x38 Seawater Desalination Reverse Osmosis Membrane AquaPro Replacement For Replacement in Village Marine Watermaker Systems by Parker Raco...

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    2.5” x 40” | 850 GPD | 100 PSI | XLE Extra-Low Energy RO Membrane | Applied Membranes

    M-T2540AXLE
    In Stock for Immediate Shipment

    2.5" x 40" Extra-Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 850 GPD at 100psi AMI Extra-Low Energy (Low Pressure) XLE RO Membr...

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    $225.00 - $225.00
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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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    2.5"x21" | 365 GPD | Low Energy | Tape Wrap | FilmTec Membrane

    XLE-2521
    In Stock for Immediate Shipment

    DOW FILMTEC™ XLE-2521 Low Energy Reverse Osmosis Membrane Element DOW FILMTEC TW30-2521 Elements produce high quality water for small...

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    $210.27 - $210.27
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    2.5"x19" | 220 gpd | Seawater RO Membrane for Village Marine Watermaker | Replaces AquaPro 33-2519

    M-S2519A-220
    In Stock for Immediate Shipment

    AMI 2.5x19" Seawater Desalination Reverse Osmosis Membrane to Replace AquaPro 33-2519For Replacement in Village Marine Watermaker Systems Add AMI ...

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    $325.00 - $325.00
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    2.5" x 26" | 600 GPD Commercial RO Membrane | Replaces FilmTec TW30HP-2526 Membrane

    M-T2526A
    In Stock for Immediate Shipment

    AMI™ 2.5" x 26" Commercial RO Membrane Element for Commercial RO SystemsReplacement for FilmTec TW30HP-2526 and Trisep 2526-ACM4-TWT AMI M-T252...

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    $195.57 - $195.57
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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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    $370.52 - $370.52
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    2.5" x 14” | 200 GPD Commercial Reverse Osmosis RO Membrane | Applied Membranes

    M-T2514A
    In Stock for Immediate Shipment

    2.5" x 14" Reverse Osmosis Membrane | Tap or Brackish Water | 200 GPD RO Membrane AMI commercial RO membrane elements produce high quality water...

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    $155.00 - $155.00
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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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    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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    2.5"x21" Hollow Fiber UF Membrane Element (220 to 660 GPD)

    M-U2521HF09
    In Stock for Immediate Shipment

    Hollow Fiber Ultrafiltration Membrane Elements Product Information Model: M-U2521HF09 Size (Approximate): 2.5" Diameter x 21" Length Membrane Type...

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    $327.49 - $327.49
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    2.5” x 14” | 264 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes

    M-T2514ALE
    In Stock for Immediate Shipment

    2.5" x 14" Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 264 GPD at 150 PSI AMI Low Energy (Low Pressure) RO Membrane elements a...

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    $165.00 - $165.00
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    2.5" x 40" Ultrafiltration Membrane | Polyethersulfone (PES) UF | 10,000 MWCO

    M-U2540PES
    Ships in 5 Days

    2.5" x 40" Ultrafiltration Membrane (UF Membrane) | Polyethersulfone PES Membrane Elements Applied Membranes polyethersulfone (PES) spiral wou...

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    $311.79 - $311.79
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    2.5"x38" | 210 gpd | RO Membrane for Village Marine Watermaker

    M-S2538A-210
    In Stock for Immediate Shipment

    AMI 2.5x38 Seawater Desalination Reverse Osmosis Membrane AquaPro Replacement For Replacement in Village Marine LIttle Wonder 200 Watermaker Syst...

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    $395.00 - $395.00
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    2.5" x 40" | 1,000 GPD | FRP Wrapped | Commercial Brackish RO Membrane | Applied Membranes

    M-B2540A
    In Stock for Immediate Shipment

    2.5" x 40" Brackish Water Reverse Osmosis Membrane | Fiberglasssed Shell | 1000 GPD BWRO AMI commercial thin film BWRO elements are wrapped in a...

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    $212.00 - $212.00
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    2.5" x 14" NF 90% Rejection Membrane

    M-N2514A9
    In Stock for Immediate Shipment

    Nanofiltration Membranes for Water Filtration SystemsNote: Actual color of tape may vary from the item pictured. Model Number: M-N2514A9 Flow ...

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    $139.50 - $139.50
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    $139.50
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    2.5" x 40" |PS Microfiltration Membrane Element | Polysulfone MF

    M-M2540PS20
    In Stock for Immediate Shipment

    2.5" x 40" Microfiltration Membrane (MF Membrane) | Polyslfone (PS) | 20,000 MWCO Applied Membranes, Inc. (AMI) polysulfone spiral wound microfi...

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    $226.82 - $226.82
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    2.5" x 21" Ultrafiltration Membrane | Polyacrylonitrile (PAN) UF | 20,000 MWCO

    M-U2521PAN
    Ships in 2 days

    2.5" x 21" Ultrafiltration Membrane (UF Membrane) | Polyacrylonitrile PAN Membrane Elements Applied Membranes polyacrylonitrile (PAN) spiral wo...

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    $295.00 - $295.00
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    $149.50
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    2.5" x 21" NF 90% Rejection Membrane

    M-N2521A9
    Ships in 2 days

    AMI 2.5" x 21" Nanofiltration Membrane Element 90% REJECTION NF MEMBRANE ELEMENT AMI 2.5 x 21 Nanofiltration Membrane produces 250 gallons per ...

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    $149.50 - $149.50
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    2.5" x 40" Nanofiltration Membrane | NF 90| 90% Salt Rejection

    M-N2540A9
    In Stock for Immediate Shipment

    2.5" x 40" Nanofiltration Membrane | NF9 - 90% Salt Rejection | 97% Hardness Rejection Applied Membranes NF9 spiral wound nanofiltration element...

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    $268.59 - $268.59
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    $268.59
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    2.5"x21" NF 50% Rejection Membrane

    M-N2521A5
    In Stock for Immediate Shipment

    Nanofiltration Membranes for Water Treatment SystemsNote: Actual color of tape may vary from the item pictured. Model Number: M-N2521A5 Flow R...

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    $145.00 - $145.00
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Home & Business Reverse Osmosis Membrane Replacements


At wateranywhere, we pride ourselves on our ability to serve any water filtration needs from home water purification to a variety of commercial applications including hotels and resorts, petrochemical, and food and beverage production.


Designed for point of use (POU) installation under the sink or counter, these RO filtration systems supply clean drinking water directly to a faucet, spigot, or refrigerator. We offer Applied Membranes, LG, Filmtec, and GE residential RO replacement membranes that fit a variety of reverse osmosis filtration systems. Consult this chart for a listing of applicable membrane sizes for various models.

Whole House RO Membrane Replacements


These systems are designed for point of entry (POE) installation to provide water free from contaminants to the entire building. This system connects to the main water line. We offer whole house RO membrane replacements from a variety of brand names.

Commercial RO Membranes


Replacement RO membranes used in a variety of business applications are typically run at higher pressures for optimum performance and higher rejection. We offer replacement membrane elements for water treatment systems used for water stores, larger facilities, carwashes, and manufacturing.

Reverse Osmosis Seawater Desalination


Seawater desalination forces seawater through a semipermeable membrane removing most of the impurities. This technology is used in several markets from oil and gas, to specialty applications. wateranywhere supplies RO replacement membranes used in seawater desalination used for converting seawater into usable, drinkable water.

MF, UF, NF, and RO Membranes Separation Processes Explained


Membrane elements are used in the membrane separation technology processes; all of which serve different levels of demineralization and decontamination. The different processes of separation refer to the pore size and type of semi-permeable membranes used to remove organic matter from the water. Microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), and reverse osmosis (RO) membranes are explained below:

Microfiltration Membrane Separation


(pores equal 0.1 micron)- A pressure-driven filtration process which removes many microorganisms and suspended solid materials but allows smaller ions, particles, and many viruses to pass through.

Learn More

Ultrafiltration Membrane Separation


(pores equal to 0.01 micron)- UF is a pressure-driven separation process which removes larger microorganisms and suspended particulate matter as well as bacterias and most viruses. However, cannot remove dissolved substances without first absorbing them using a coagulate.

Learn More

Nanofiltration Membrane Separation


(pores equal 0.001 micron)- This type of filtration membrane blocks even smaller organic molecules and almost all viruses, as well as most organic matter and salts. NF is often used to soften hard water because it can remove divalent ions, which cause hard water.

Learn More

Reverse Osmosis (RO) Membrane Separation


(0.0001 micron)- RO is one of the most extensive and efficient water filtration methods. A RO system uses a pump to force water through the membrane. Contaminants remain on one side of the membrane (wastewater later drained) resulting in pure water collection on the other. Reverse osmosis removes 98% of harmful minerals including fluoride, salts, sediment, arsenic, chlorine, VOCs, herbicides, pesticides, bacteria and viruses.

Replacement Membranes & Components for Reliable Water Treatment


At wateranywhere, we know how vital clean, quality water is, which is why we take pride in offering the best in breed water filtration systems and RO replacement membranes. We offer reliable service and flexibility to best meet our customers’ needs including quick shipping, and affordable installation. We offer same day shipping on orders received before 3 PM PST.

Contact us to determine the best RO replacement membrane for your application.

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