Air shower room pass box:It designs for passing the goods into and out of the air shower room,it is made for double-acting doors locking into each other side to avoid changing the air flow and pressure when the workers are passing cargo.It can reach the functions of the air shower room and be used to guarantee the high clean level of the goods which enter into the rooms. Function: Electron-interlock function. Management function of humans and goods. Cleaning dust、sterilize Preventing dust into the clean room