This large diaphragm pump easily handles multi-drain gray waste water, remote mounted bilge pump, or fishbox discharge applications and is self-priming to 10'. Non-choke valves mean no filter to block or clean. 3-point mounting system for easily installation, even on uneven surfaces. Head rotates 360° for flexible installations. 3/4" or 1" hose barb connections. GPM 5 Volts 24 Amps 4