Jabsco 25DA Bilge Pumps; Voltage (DC): 12; Amperage Rating: 2.5; GPH @ 0 Feet of Head: 500.000; Operation: Non-Automatic; GPH @ 3.35 Feet of Head: 360; GPH @ 6.7 Feet of Head: 260; Shut Off Feet: 13; End Connections: Hose Barb; Outlet Size (Inch): 3/