Piston Air Compressor Lubrication Type Lubricated Number of Cylinders 2 Output Power 0.333 hp Phase Single Voltage 115/230V AC Maximum Continuous Pressure 175 psi Maximum Intermittent Pressure 175 psi Free Air Flow Rate 1.2 cfm Maximum Speed 1 725 RPM Inlet Size 1/4 in Inlet Type NPT Outlet Size 1/4 in Outlet Type NPT