NL ULP is an ultra-low pressure brackish water reverse osmosis membrane. This membrane has very high energy efficiency and only requires two thirds of the operating pressure of most conventional brackish water membranes, maintaining high salt rejection. This type of membrane is suitable for surface water and water with relatively low salinity such as ground water, tap water, and municipal water.  It is also used for producing pure water or boiler feed water, as well as for food processing and pharmaceutical industries.ers' needs. Specifications are available upon request.