1400 air shower / automatic air shower Air shower is a necessary passage for person or goods entering into the clean room in order to minimize the amount of particulate contaminants. Personnel move throung the air shower while particulate contaminantsare is blew off by the clean high velocity. Features: 1) entire stainless steel baseboard 2) hepa filter with efficiency 99.99% 0.3um 3) toughened glass for the door's window 5) fully-automatic infrared induction blowers and showers 7) 'zhengtai' middle relay, time relay (soft key button type) 8) led display 9) adjustable range: 0 - 99s 10) doors will close automatically when activated 11) stainless steel nozzle 12) 'nantai' double whorl shell outside motor 13) the air velocity is greater than 25m/s 14) low noise level 15) arc corner, 1, 000-rank static state, patented product Customized design is available. Export standard packing:wooden case