Flexible impeller pump is self-priming to 10' and is ideal for engine cooling, wash-down, circulation, and many other general purpose onboard or dockside applications. The bronze body and stainless steel shaft are suited for the marine environment and can operate in either rotational direction. Cams and wearplates are replaceable so pump life is extended. Vertical orientation. 1-1/4" NPT. Suited for marine environment | Pulley Driven Neoprene Impeller Pump, 62 GPM