Flow Rate (GPH): 1100 GPH, Voltage: 12V, Barbed Hose Outlet : 1-1/8" (29 mm) The 12V bilge pump features an optimized impeller for greater water flow, higher flow rates, and better pumping efficiency Latch-type strainer base, easy to install and remove, quiet, vibration-free Fully submersible, quiet, efficient, long motor life. Quiet operation and a little fire protection Stainless steel shaft, fully submersible, rust and corrosion resistant, requires a separate float switch