Designed to quickly fill or when reversed, drain a ballast tank at a rate of more than 45 liters per minute (12 GPM). Capable of pumping fresh or sea water. The pump’s robust design can handle the rigors of continuos duty usage, is reversible, and has a built in thermal overload for added protection. Care not to run dry for extended periods of time will increase the pump longevity and ensure reliable performance for many years.Note! Only for waterhandling.