Pass box is used to transfer the material from lower cleanliness area to higher cleanliness area or vice-versa in the classified area and also known as the hatch. Pass box works as a barrier between two cleanliness level areas. A pass box, which is also called a transfer hatch or SAS pass (sterile access system), Static pass boxes are used to transfer materials between two rooms of equal cleanliness levels and are designed for minimal personnel movement while dynamic pass boxes are used to transfer materials from uncontrolled to controlled environments. Dynamic pass box works like an airlock or laminar air flow unit. We design and manufacture static and dynamic Pass Box and other clean room environment furniture as per the design and specification of our clients