1. Full automatic operation, double door electrical interlock. It works by automatically blowing clean air when sensing the entry of people, at which time the double doors are locked. 2. Cold rolled sheets are processed by multiple pickling technology and electrostatic dust-free plastic spraying. 3. Stainless steel handles, thickened stainless steel base plate, stainless steel nozzle as the basic configuration. 4. Digital display of blowing time. The air streams for 0 to 99s, which is adjustable. The time that has been blown is displayed as well. 5. The air shower system designed with new design concept can blow the air at velocities of 25m/s~32m/s, which ensures that the complete dust removal for personnel and goods entering the clean room 6. Customizable according to customer requirements.