In clean rooms and biologically clean rooms, the dust generated by people and material makes up the largest source of contamination. The material transportation in and out of such rooms should therefore be accomplished with the latest possible human movement. The Pass Boxes are used for this reason.

In clean rooms and biologically clean rooms, the dust generated by people and material makes up the largest source of contamination. The material transportation in and out of such rooms should therefore be accomplished with the latest possible human movement. The Pass Boxes are used for this reason.