We are offering oil free vacuum pump. Twin headed rocking piston max. Flow 5.2 cfm (146 lpm) max. Pressure 116 psi (8 bar) max. Vacuum 27”hg (910 mbar) permanently lubricated bearings oil-less, non-lubricated cup and cylinder long-life cup design thin wall cylinder for good heat transfer stainless-steel valves capacitor as standard field service ability thermally protected motor.