Pass Thru Boxes, also known as Pass Boxes, are crucial components used in controlled environments like cleanrooms, laboratories, and pharmaceutical manufacturing units. They provide a contamination-free method for transferring materials between areas with different cleanliness levels. Pass Thru Boxes function as barriers that prevent air from flowing between the spaces, ensuring that only clean materials are moved without compromising the sterility of the controlled environment.


A Dynamic Pass Box functions like an airlock or laminar flow unit, ensuring that clean air enters the unit and prevents contamination. These pass boxes are used to transfer materials between lower and higher cleanliness areas, commonly found in industries such as pharmaceuticals, biotechnology, and manufacturing.
A Static Pass Box is a simpler design compared to dynamic pass boxes. It is used for transferring materials between areas of different cleanliness levels and helps maintain a contamination-free zone. The static pass box operates by ensuring that the area with a higher cleanliness level maintains higher pressure, preventing contaminants from entering.
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