GRO-50EN, Pentair High Efficiency 50 gpd Membrane, 4004424

Pentair's GRO membrane integrates a 100% dry membrane to help maximize its lifespan and shelflife, provides enhanced performance to the end user. The GRO boasts a 50% recovery rate while maintaining a retrofit-able design for easy integration. The GRO features double the recovery over standard reverse osmosis elements with rejection performance comparable to standard reverse osmosis elements and also high rejection stability at high input TDS. The GRO is longer than the standard size Residential RO element at 15.1" wide but it does fit into the standard size membrane housing clips. Includes drain line flow control and check valve.