Pass box has the function of air valve to prevent high pressure from spreading into the clean room. In addition, It can reduce operating personnel's movement, to make sure that dust cannot be brought into clean room and help keep the stability of the clean room.
Mechanical and electronic interlock system for two doors makes them cannot open simultaneously. Following that, it avoids cross-infection between clean area and unlean area.
Pass box with special sealing strips guarantees the airpoofs.
Working area made from polish stainless steel plate is more smooth and resistant. The surface of the cabinet is make from cold rolled steel or stainless steel.