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        Passbox is the most effective anti-pollution equipment. Double features are interlocked to effectively reduce staff because of the number of items delivered into the purification room. Housing prevent external purification of air pollution. Economic benefits of complete sets of equipment, the best interim housing for purification devices. The equipment is widely used in micro-technology, biological laboratories, pharmaceutical companies, hospitals, food processing, LCD, e all need air purification factory premises.

notes:

1. fiber glass.
2. Widening from three.
3. Mechanical lock
4. Gate
5.hinge

Optional accessories:

1. Barometer
2. Round devices
3. ultraviolet lights
4.Drum