- Used to transport finished products between inside and out, between two different areas of the clean room or between the clean room and the gray area. Pass box is designed to be suitable for wall placement. It is often used for the convenience of transporting finished products from inside or outside of clean rooms, where the user does not have to enter the cleanroom and undergo a change of protective clothing and the entire gas washing process.
+ Whistle: A whistle can be added to the pass box to notify the employee on the other end of the pass box that the item has been placed in the pass box and is ready to be moved to the other end of the pass box.
+ Display lights:The display light is used as a sign that the door on the other end is open or closed.Usually, the light is on as the door is open and vice versa.
+ Radio: A radio can also be installed in the air shower for communication between two employees on either side of the pass box