Becker oil-flooded rotary vane vacuum pump with two-stage oil separation, pressure differential lubrication, integrated anti-suck back valve, integrated gas ballast valve, integrated oil filter, inlet filter, and coupled to 12.1 HP, 3-phase TEFC motor. (This item currently has a 7% Becker surcharge which will be added to your order as a separate line item offline. Becker surcharges are subject to change.)