Rubber impeller driven pump. 390 GPH (1476.31 LPH) capacity at 12V DC. 10 amp draw. Use as a bilge pump, wash down pump, etc. Intake/outlet connections: 1/2" I.P.S. inside, 3/4" (1.91cm) garden hose thread outside. Inline fuse holder with fuse included. Not recommended for commercial use. Do not run dry.