It has an air curtain at the entrance with a ?Trap area ? before main door with alaminar flow, H.E.P.A. filter with positive pressure flow system over and above gadgets like Anaesthetic trolley, monitor & ventilator. It is equipped with E.T.O. gas sterilizer , Bipolar cautery storz USA, Operative microscope Liposuction canula(Tulip, USA) etc.Have Any Questions?