nXDS6i Scroll Pump.Peak pumping speed: 6m3/hr (3.53 cfm).Utimate pressure: 0.02mbar (1.5e-2 torr).Inverter drive with push button control – remote serial and parallel.control and USB interface.Supply: 100-127/200-240V 1ph 50/60Hz without user intervention.Inlet port: NW25. Exhaust port: NW25.