Piston Air Compressor Lubrication Type Oilless Number of Cylinders 1 Output Power 0.166 hp Phase Single Voltage 115V Maximum Continuous Pressure Not Applicable Maximum Intermittent Pressure Not Applicable Maximum Vacuum 27.5 in Hg Free Air Flow Rate 1.8 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