Piston Air Compressor Lubrication Type Oilless Number of Cylinders 1 Output Power 0.166 hp Phase Single Voltage 115V Maximum Continuous Pressure 50 psi Maximum Intermittent Pressure 50 psi Maximum Vacuum Not Applicable Free Air Flow Rate 1.51 cfm Maximum Speed 1 725 RPM Inlet Size 1/4 in Inlet Type NPT Inlet Gender Female Outlet Size 1/4 in Outlet Type NPT Outlet Gender Female