Compact Submersible Pump Power Rating 1/40 HP Equivalent Pressure 5.1 PSI Maximum Head 11.8 Feet FNPT Inlet 3/8 Inches MNPT Outlet 1/4 Inch Water Flow @ 1 Foot of Head 300 GPH Water Flow @ 3 Feet of Head 255 GPH Water Flow @ 5 Feet of Head 205 GPH Water Flow @ 9 Feet of Head 115 GPH Water Flow @ 10 Feet of Head 70 GPH Length 5 1/2 Inches Height 4 1/2 Inches Width 3 1/2 Inches Nylon/Aluminum