Vacuum Pump 4 cfm Displacement 1/2 hp HP Inlet Port Size 1/2 in ACME 1/4 in and 3/8 in Flare Voltage 110/220V AC Amps AC 4.5 A 50/60 Hz Hz 10 micron End Vacuum Overall Length 13 in Overall Height 9 1/2 in Overall Width 5 1/2 in Weight 22 lb Oil Capacity 15.5 oz Cord 6 ft Body Material Aluminum Includes Oil