The two doors are opened and interlocked at the same time to avoid simultaneous opening and a traffic light on both sides shows door status.
The pass box is entirely made of AISI304 stainless steel with a class B work chamber, compliant with cGMP Annex I, ensured by HEPA H14 filters.
At rest the electric lock doors are usually open. The doors are interlocked, therefore at the opening of one of them, the other one is blocked.
Pressing the button on the chosen side of the box will open the corresponding door, consequently the door will be locked.