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Overstock Deal 4"x40" Brackish Water | 2,500 Gpd | 150 Psi | 99.5% Rej | 85 Ft2 | Lg Chem Ro Membrane Set [OGdQzPe7]

$59.99 $191.99 -69%

4"x40" Brackish Water RO Membrane: LG Chem's High-Performance Solution The LG BW 4040 ES Energy Saving Brackish Water RO Membrane is a cutting-edge product designed for efficient and cost-effective water purification. Engineered with LG Chem's innova

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4"x40" Brackish Water RO Membrane: LG Chem's High-Performance Solution

The LG BW 4040 ES Energy Saving Brackish Water RO Membrane is a cutting-edge product designed for efficient and cost-effective water purification. Engineered with LG Chem's innovative Thin Film Nanocomposite (TFN) technology, this membrane stands out for its exceptional performance in treating low to medium salinity brackish water. With a size of 4" diameter x 40" length, it offers a compact and reliable solution for various water treatment applications.

Key Features and Specifications of LG BW 4040 ES

The LG BW 4040 ES membrane boasts a flow rate of 2,500 gallons per day (GPD) and operates at a low feed pressure of 150 psi, significantly reducing operating costs. It achieves a high salt rejection rate of 99.5%, ensuring pure and safe water output. The active surface area of 85 ft² (7.9 m²) maximizes water purification efficiency. This membrane is compatible with industry-standard configurations and can easily integrate into existing and new RO plants. Its robust construction, featuring a hard shell fiberglass exterior and a 28 mil feed spacer, ensures long-lasting performance and durability.

Applications and Benefits of LG BW 4040 ES

The LG BW 4040 ES membrane is suitable for a wide range of applications, including power generation, petrochemical, automotive, semiconductor, desalination, municipal, and food & beverage industries. Its improved permeate quality, reduced energy costs, and NSF certification for drinking water production make it an ideal choice for businesses and organizations seeking reliable water purification solutions. The membrane's compatibility with other popular brands, such as FilmTec LC LE-4040, Hydranautics ESPA2-LD-4040, and Toray TMG10D, further enhances its versatility and ease of integration into existing systems.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

A very solid and a highly reliable performer.

- Whittaker U..

December 31, 2025

Absolutely no complaints!

A great gadget that works just about so perfectly.

- Siwan O..

December 31, 2025

Absolutely no complaints!

An excellent value for a high-quality construction.

- Meirion V..

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