This is accessory equipment for clean room which facilitates small articles passed between clean areas or between clean and unclean areas to decrease times of door opening and minimize contamination in the clean room

 Inside is made of smooth stainless steel, while outside of quality steel treated with electrostatic spray coating. 

 Mechanical or electronic interlock ensures two doors can't open at the same time. 

 Indicator light turns on when another door on the back side is opened. 

 Sealing strips are used to ensure air tightness.

Inside light or ultraviolet light for sterilization

Audible and visual alarm system

Full stainless steel pass box