The FILMTEC NF90 membrane elements provide high productivity performance while removing a high percentage of salts, nitrate, iron and organic compounds such as pesticides, herbicides and THM precursors. The low net driving pressure of the NF90 membrane allows the removal of these compounds at low operating pressures. Product Name Nominal Active Surface Areaft2 (m2) Permeate Flow Rategpd (m3/d) Stabilized Salt Rejection(%) FILMTEC NF90-4040 82 (7.6) 2000 (7.6) >97.0 Permeate flow and salt rejection based on the following test conditions: 2000 ppm MgSO4, 77ºF (25ºC) and 15% recovery at 70 psi (4.8 bar).Permeate flows for individual elements may vary by -15%/+50%.Developmental product available for sale.