Piston Air Compressor, Lubrication Type Oil Free, Number of Cylinders 2, Output Power 0.5 hp, Phase Single, Voltage 115/230V AC, Maximum Continuous Pressure 50 psi, Maximum Intermittent Pressure 50 psi, Free Air Flow Rate 4.1 cfm, Maximum Speed 1,750 RPM, Inlet Size 1/4 in, Inlet Type NPT, Outlet Size 1/4 in, Outlet Type NPT