The Pass Box is located on partition walls of clean room. They are basically used as a buffer area for transferring goods between inside and outside of clean room. Apart from this they are made from high grade material that is obtained from trusted suppliers. The Pass Box can prevent any disturbance of airflow and air pressure in clean room. They can reduce the time for operators moving in and out, to prevent any dust coming from the out regions in a clean room. Further they provide vertical laminar airflow & are available in various sizes to suit customer requirement.