Air shower is a necessary passage for people entering clean room in order to minimize the amount of particulate contaminant, to achieve workplace strict clean purification standards Personnel move through the air shower while particulate contaminants are blown off by the clean high-speed air. Then the dust cannot be brought into clean air - Photoelectric sensor, automatic blowing - Adopt with circulation wind to ensure the cleanness of shower area under non-shower status - Double door by electric interlock - LED display with adjustable blowing time (0-99s)