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TheROMembrane is your go-to platform for high-performance reverse osmosis membranes—trusted by engineers, technicians, and water treatment pros worldwide.

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Get In Touch

Perks with TheROMembrane

Your trusted RO membrane partner for every application.

WIDE BRAND SELECTION

Explore top-tier membranes from FilmTec, Toray, Hydranautics, and more—all in one place.

WIDE BRAND SELECTION

Explore top-tier membranes from FilmTec, Toray, Hydranautics, and more—all in one place.

FIND THE RIGHT MEMBRANE

Easily filter by flow rate, application, or size to discover the perfect fit for your system.

FIND THE RIGHT MEMBRANE

Easily filter by flow rate, application, or size to discover the perfect fit for your system.

BEST PRICE GUARANTEED

We match or beat prices on leading membrane brands—no compromise on quality.

BEST PRICE GUARANTEED

We match or beat prices on leading membrane brands—no compromise on quality.

Explore & Find your Ideal Membrane

We believe there’s a right membrane for every system—residential, commercial, or industrial. That’s why TheROMembrane partners with top global brands to deliver the best solutions.

200K+

Membranes Sold

100+

Successful Projects

30+ membrane models

Expert technical consultation

Competitive pricing & performance guarantee

Browse Products

Powered by the World's Leading RO Brands

At TheROMembrane, we bring together the most trusted names in membrane technology—DuPont, AQUAPRO, Hydranautics (Nitto), and Toray—to deliver a unified platform where quality meets performance.

Premium Brands

Explore world-class brands.

DuPont FilmTec™

Setting new standards for performance

DuPont FilmTec™

Setting new standards for performance

Toray

Innvovation by Chemistry

Toray

Innvovation by Chemistry

Hydranautics

Solutions You Need, Technologies You Trust!

Hydranautics

Solutions You Need, Technologies You Trust!

New Listing

Explore latest & featured premium membranes.

FilmTec™

8"x40"

FilmTec™ BW30 PRO-400/34

Brackish Water

High Rejection and High Performance Industry-St...

99.6%

11,000 GPD

400 (37) ft2 (m2)

600 psig (41 bar)

FilmTec™

8"x40"

FilmTec™ BW30 PRO-400/34

Brackish Water

High Rejection and High Performance Industry-St...

99.6%

11,000 GPD

400 (37) ft2 (m2)

600 psig (41 bar)

FilmTec™

4"x21"

FilmTec™ TW30-4021

Brackish Water

Brackish Water RO Elements for Small Commercial...

99.5%

900 GPD

36 ft² (3.3 m²)

600 psi (41 bar)

FilmTec™

4"x21"

FilmTec™ TW30-4021

Brackish Water

Brackish Water RO Elements for Small Commercial...

99.5%

900 GPD

36 ft² (3.3 m²)

600 psi (41 bar)

FilmTec™

8"x40"

FilmTec™ BW30XFRLE-400/34i

Brackish Water

Anti-fouling and Low-Energy Brackish Water Reve...

99.3%

11,500 GPD

400 (37) ft2 (m2)

600 psig (41 bar)

FilmTec™

8"x40"

FilmTec™ BW30XFRLE-400/34i

Brackish Water

Anti-fouling and Low-Energy Brackish Water Reve...

99.3%

11,500 GPD

400 (37) ft2 (m2)

600 psig (41 bar)

Hydranautics

4"x40"

Hydranautics SWC5-LD-4040

Sea Water

Hydranautics has over two decades of experience...

99.7%

1,750 GPD

80 ft2 (7.43 m2)

1,200 (8.27) psi (MPa)

Hydranautics

4"x40"

Hydranautics SWC5-LD-4040

Sea Water

Hydranautics has over two decades of experience...

99.7%

1,750 GPD

80 ft2 (7.43 m2)

1,200 (8.27) psi (MPa)

Hydranautics

8"x40"

Hydranautics SWC5-LD

Sea Water

Lower fouling for maximum performance. Hydran...

99.8%

9,000 GPD

400 (37) ft² (m²)

1,200 (8.27) psi (MPa)

Hydranautics

8"x40"

Hydranautics SWC5-LD

Sea Water

Lower fouling for maximum performance. Hydran...

99.8%

9,000 GPD

400 (37) ft² (m²)

1,200 (8.27) psi (MPa)

Toray

8"x40"

TORAY TM820M-440

Sea Water

Standard Sea Water Reverse Osmosis (RO) Membran...

99.8%

7,700 GPD

440 (41) ft² (m²)

1,200 (8.3) psi (MPa)

Toray

8"x40"

TORAY TM820M-440

Sea Water

Standard Sea Water Reverse Osmosis (RO) Membran...

99.8%

7,700 GPD

440 (41) ft² (m²)

1,200 (8.3) psi (MPa)

Toray

8"x40"

TORAY TM820M-400

Sea Water

Standard Sea Water Reverse Osmosis (RO) Membran...

99.8%

7,000 GPD

400 (37) ft² (m²)

1,200 (8.3) psi (MPa)

Toray

8"x40"

TORAY TM820M-400

Sea Water

Standard Sea Water Reverse Osmosis (RO) Membran...

99.8%

7,000 GPD

400 (37) ft² (m²)

1,200 (8.3) psi (MPa)

Toray

8"x40"

TORAY TMG20D-440

Brackish Water

Low-Pressure Brackish Water Reverse Osmosis (RO...

99.7%

13,300 GPD

440 (41) ft² (m²)

600 (4.1) psi (MPa)

Toray

8"x40"

TORAY TMG20D-440

Brackish Water

Low-Pressure Brackish Water Reverse Osmosis (RO...

99.7%

13,300 GPD

440 (41) ft² (m²)

600 (4.1) psi (MPa)