Pass Box is one of the important components of clean room equipment, it is used to transmit products/samples from one side to the other side through a sterile situation in order to prevent airborne bacterial contamination. A pass box's sole purpose, as implied by its name, is to move substance from a side to the other without posing a contamination risk. It helps in preventing the entry of particle pollutants into the clean-room system. If any particle matter is present on the surface of the material, it is swiped away during the process