AG High Rejection Brackish Water Elements are selected when high rejection and operating pressures as low as 200 psig (1,379 kPa) are desired. These elements allow moderate energy savings, and are considered a standard in the industry. AG8040F 400 High Rejection Brackish Water elements feature a FRP outerwrap and 27 mil feed spacers. This element is designed with flush end connections. Click here to see Data Sheet