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Transform 4"x40" | 2,400 Gpd | Fiber Wrapped | Dow Filmtec Ro Membrane | Replaces Bw30-4040 & Lc Hr-4040 Save Big: 30% Off [itExy3CZ]

$58.99 $188.99 -69%

4"x40" | 2,400 GPD | Fiber Wrapped | DOW FilmTec RO Membrane Experience unparalleled water purification with the DuPont FILMTEC™ BW30 PRO-4040 Reverse Osmosis Membrane Element. Designed for both commercial and industrial use, this high-performance me

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Transform 4"x40" | 2,400 Gpd | Fiber Wrapped | Dow Filmtec Ro Membrane | Replaces Bw30-4040 & Lc Hr-4040 Save Big: 30% Off [itExy3CZ]

4"x40" | 2,400 GPD | Fiber Wrapped | DOW FilmTec RO Membrane

Experience unparalleled water purification with the DuPont FILMTEC™ BW30 PRO-4040 Reverse Osmosis Membrane Element. Designed for both commercial and industrial use, this high-performance membrane is the perfect solution for systems requiring reliable water quality and efficiency. The Fiber Wrapped design not only adds durability but also ensures optimal performance even under challenging water conditions.

Superior Performance & Durability

The BW30 PRO-4040 membrane boasts several key features that set it apart from competitors. Its advanced polyamide thin-film composite technology provides excellent fouling resistance, which translates to longer element life and reduced downtime for maintenance. With a flow rate of 2,400 gallons per day and a stable salt rejection rate of 99.7%, this membrane guarantees consistent and high-quality water output. Additionally, the thicker feed spacer minimizes the impact of fouling, further enhancing the membrane's longevity.

Wide Range of Applications

Whether you're operating a commercial water treatment system, a food service establishment, or a medical facility, the BW30 PRO-4040 membrane is versatile enough to meet your needs. Its robust design and superior performance make it ideal for a variety of applications, including industrial water demineralization, municipal water production, and water reuse projects. With its compatibility with nominal 4x40 size pressure vessels, this membrane offers unmatched flexibility and convenience.

What Our Customers Say

January 21, 2026

Absolutely no complaints!

Very pleased with the sturdy build quality.

- Lillian G..

January 21, 2026

Absolutely no complaints!

A great item. And very well made.

- Tori W..

January 21, 2026

Absolutely no complaints!

A definitive step up from the rest.

- Declan Y..

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