Passbox(Airshower)  is designed on the pattern. Fans will quickly begins gas into cleaner air through high-efficiency filters, stainless steel cleaner air by the high velocity jet after 20M/S more In addition to the fast-effective surface adhesion of dust particles.  Circular winds after the early double-filtration efficiency filters to purify the results significantly, the use of power.

Note:
1. Wind speed    2. Glass   3. hinge    4.door      5. stainless steel plate       6 hinge     7.Electronic Lock
8. Orifice net effect early    9. Fans

Optional accessories : Barometer 2. Round 3 devices. 4 ultraviolet lights. Drum