Compressor/Vacuum Pump, Output Power 21 W, Voltage 115V AC, Maximum Vacuum 8 in Hg, Maximum Continuous Pressure 4 psi, Maximum Intermittent Pressure 4 psi, Maximum Flow Rate 2.05 cfm @ 0 psi, Inlet Size 1/8 in, Inlet Connection Type NPT, Outlet Size 1/8 in, Outlet Connection Type NPT, Compressor Type Diaphragm, Current Rating 0.37 A