Rocking Piston Compressor Vacuum Pump Output Power 0.25 hp Phase Single Voltage 115/230V AC Maximum Continuous Pressure 125 psi Maximum Intermittent Pressure 125 psi Maximum Vacuum 26.2 in Hg Free Air Flow Rate 1.45 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