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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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    4" x 40" | 2,860 GPD at 100 PSI | FRP Wrapped | Extra-Low Energy Commercial RO Membrane | Applied Membranes

    M-B4040AXLE
    In Stock for Immediate Shipment

    4" x 40" Extra-Low Energy Brackish Water RO Membrane | Fiberglasssed Shell | 2,860 GPD BWRO XLE Applied Membranes XLE Extra-Low Energy (Ultra-Lo...

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    4"x21" Hollow Fiber UF 0.9 Membrane Element (540 to 1,620 GPD)

    M-U4021HF09
    In Stock for Immediate Shipment

    Hollow Fiber Ultrafiltration (UF) Membrane Elements AMI hollow fiber ultrafiltration (HF UF) membrane elements provide reliable rejection of micr...

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    3"x31" | 700 gpd | Seawater RO Membrane for Sea Recovery Watermaker | Replaces 2724011333 & 33-3004

    M-S3031B
    In Stock for Immediate Shipment

    AMI 3x31 Seawater Desalination Reverse Osmosis MembraneFor Replacement in Sea Recovery Watermaker Systems Add AMI Membrane Quality to your Existin...

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    4"x40" Brackish Water | 2,500 GPD | 225 psi | 99.6% Rej | 85 ft2 | LG Chem RO Membrane

    LG BW 4040 R
    In Stock for Immediate Shipment

    LG Chem Nano H2O LG BW 4040 R Brackish Water (BWRO) Reverse Osmosis Membrane LG BW 4040 R High Rejection BWRO membranes offer a combination of hi...

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    4" x 40" |PS Microfiltration Membrane Element | Polysulfone MF

    M-M4040PS20
    Ships in 2 days

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

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    6"x40" | 2,500 gpd | Seawater RO Membrane Replacement for Aquapro 33-0036

    M-S6040A
    Item will ship in 3-10 days. Contact us for exact dates

    AMI 6x40" Seawater Desalination Reverse Osmosis Membrane For Replacement in Parker Racor Village Marine Pure Water Commercial Seawater ROSystemsA...

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    2.5” x 14” | 250 GPD High Flow Reverse Osmosis RO Membrane | Applied Membranes

    M-T2514AHF
    In Stock for Immediate Shipment

    2.5" x 14" High Flow Reverse Osmosis Membrane | Tap or Brackish Water | 250 GPD RO Membrane AMI commercial RO membrane elements produce high qual...

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    Encapsulated Home UF Membrane | Replacement for AMI Pure Plus, AMI Ultimate

    M-U1808
    In Stock for Immediate Shipment

    ReplacementHome UF Membrane for AMI Pure Plus and AMI Ultimate Water Treatment Systems Hollow Fiber Ultrafiltration Membrane | Encapsulated | 1/4"...

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    2.5"x19" | 100 gpd | Seawater RO Membrane for Village Marine Watermaker

    M-S2519A-100
    In Stock for Immediate Shipment

    AMI 2.5x19" Seawater Desalination Reverse Osmosis Membrane to Replace AquaPro 33-3001For Replacement in Village Marine Watermaker Systems Add AMI ...

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    3"x21" | 450 gpd | Seawater RO Membrane for Sea Recovery Watermaker | Replaces 2724011233

    M-S3021B
    In Stock for Immediate Shipment

    AMI 3x21 Seawater Desalination Reverse Osmosis Membrane Replacement for 2724011233For Replacement in Sea Recovery Watermaker Systems Add AMI Membr...

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    4"x40" Hydranautics SWC5-LD-4040 Membrane, 1,750 GPD

    SWC5-LD-4040
    In Stock for Immediate Shipment

    Hydranautics Seawater Membrane Elements for RO Systems Model Number: SWC5-LD-4040 Permeate Flow Rate*: 1,750 GPD (6.62 m?/d) Salt Rejec...

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  • $594.95 - $594.95
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    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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    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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    4" x 14" | 610 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes

    M-T4014ALE
    In Stock for Immediate Shipment

    4" x 14" Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 610 GPD at 150 PSI AMI Low Energy (Low Pressure) RO Membrane elements are...

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    dizzer XL 0.9 MB 60 | 9-7/8" x 66-1/8" | 9-26.9 GPM | Multibore 0.9 | Hollow Fiber UF Module with Filtrate Clamps | inge GmbH

    VK-0068
    In Stock for Immediate Shipment

    Inge Dizzer XL 0.9 MB 60 Hollow Fiber UF Module VK-0068 Benefits & Features of Inge Hollow Fiber Ultrafiltration Membrane Modules Excellent ...

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    $3,954.27 - $3,954.27
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  • $676.50 - $676.50
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    8"x40" Seawater | 9,000 GPD | 800 psi | 99.85% Rej | 400 ft2 | LG Chem RO Membrane

    LG SW 400 R
    In Stock for Immediate Shipment

    LG Chem Nano H2O LG SW 400 R Seawater (SWRO) Reverse Osmosis Membrane LG SW 400 R High Rejection membranes offer a combination of high rejec...

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    $676.50 - $676.50
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    8"x40" Brackish Water | 10,500 GPD | 225 psi | 99.6% Rej | 400 ft2 | LG Chem RO Membrane

    LG BW 400 R
    In Stock for Immediate Shipment

    LG Chem Nano H2O LG BW 400 R Brackish Water (BWRO) Reverse Osmosis Membrane LG BW 400 R high rejection brackish water RO membranes offer a combin...

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    $678.00 - $678.00
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    4" x 40" Ultrafiltration Membrane | Flush Cut Desal Style | FRP Wrapped | Polyethersulfone (PES) UF | 10,000 MWCO

    M-UB4040PESD
    Ships in 5 Days

    4" x 40" Ultrafiltration Membrane (UF Membrane) | Polyethersulfone PES Membrane Elements"Flush Cut" (Female Ends) | Fiberglass Wrapped Applied...

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    4"x21" Hollow Fiber UF 1.5 Membrane Element (388 to 1,164 GPD)

    M-U4021HF15
    Ships in 5 Days

    Hollow Fiber Ultrafiltration (UF) Membrane Elements AMI hollow fiber ultrafiltration (HF UF) membrane elements provide reliable rejection of ...

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    $388.00 - $388.00
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    2.5"x19" | 170 gpd | Seawater RO Membrane for Crystal Sea Watermaker | Replaces Sea Recovery 2724020333

    M-SR2724020333
    In Stock for Immediate Shipment

    AMI 2.5x19" Seawater Desalination Reverse Osmosis Membrane to Replace Sea Recovery 2724020333For Replacement in Sea Recovery Crystal Sea Reverse O...

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    $277.83 - $277.83
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    75 GPD Encapsulated Home RO Membrane | Replacement for AMI Ultra, AMI Pure Plus, AMI Deluxe

    M-T1808-ENK
    In Stock for Immediate Shipment

    Replacement Home RO Membrane for AMI Ultra, AMI Pure Plus, and AMI Deluxe Water Treatment Systems75 GPD Reverse Osmosis Membrane | Encapsulated |...

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    $58.79 - $58.79
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    8"x40" Brackish Water | 11,500 GPD | 150 psi | 99.6% Rej | 440 ft2 | LG Chem RO Membrane

    LG BW 440 ES
    Ships in 5 Days

    LG Chem Nano H2O LG BW 440 ES Brackish Water (BWRO) Reverse Osmosis Membrane LG BW 440 ES Energy Saving Brackish Water RO membranes offer hi...

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    $762.99 - $762.99
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    125 GPD Encapsulated Home RO Membrane | Replacement for AMI Ultimate RO System

    M-T1808HF-ENK
    In Stock for Immediate Shipment

    Replacement Home RO Membrane for AMI Ultimate Water Treatment System125 GPD Reverse Osmosis Membrane | Encapsulated | 1/4" Quick Connect In/Out...

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    8"x40" Seawater | 9,900 GPD | 800 psi | 99.85% Rej | 400 ft2 | LG Chem RO Membrane

    LG SW 440 R
    In Stock for Immediate Shipment

    LG Chem Nano H2O LG SW 440 R Seawater (SWRO) Reverse Osmosis Membrane LG SW 440 R High Rejection membranes offer a combination of high rejection ...

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    $726.00 - $726.00
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    8"x40" Seawater | 13,700 GPD | 800 psi | 99.8% Rej | 400 ft2 | LG Chem RO Membrane

    LG SW 400 ES
    Ships in 5 Days

    LG Chem Nano H2O LG SW 400 ES Seawater (SWRO) Reverse Osmosis Membrane LG SW 400 R High Rejection membranes offer a combination of high rejection...

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    $676.50 - $676.50
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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.

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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.

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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.

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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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