FilmTec™ BW60-1812-75 Elements for home drinking water treatment units produce 75 GPD (12 L/h) of permeate with 99% stabilized salt rejection at standard test conditions. New BW60 membrane chemistry produces industry-leading 99% stabilized salt rejection. They are the most reliable and consistent elements in the industry. They are shipped dry for convenient handling and long shelf-life. FilmTec BW60-1812-75 elements have been tested and certified by NSF International against NSF/ANSI Standard 58 for material requirements only for safe use in drinking water applications.