2-Stage Ring Compressors, Phase Three, Output Power 6.16 hp, Maximum Operating Pressure 188.5 in wc, Maximum Flow Rate 159 cfm, Maximum Vacuum 165 in wc, Voltage 230/460V AC, Inlet Size 2 in, Inlet Type NPT, Inlet Gender Female, Outlet Size 2 in, Outlet Type NPT, Outlet Gender Female, Current Rating 16.2 / 9.1 A, Frequency 60 Hz, Housing Material Aluminum