Pump Evaporative Cooler 1/50 hp HP Voltage 115 Length (In.) 4 1/4 in Width (In.) 4 1/4 in Height (In.) 9 in Bolt Circle Dia (In.) - Inlet/Outlet (In.) 5/8 in 3/4 in 3 000 RPM RPM Motor Type Shaded Pole GPH of Water @ 1 ft of Head 502 gph GPM of Water @ 1 ft of Head 8.3 gpm Shut-Off (ft) 11 ft Body Material Polystyrene Max Temp 122 Degrees F