Pass box is a kind auxiliary equipment for clean room, it is mainly used to pass some small goods between clean to clean areas or clean to non clean areas. Its usage is to reduce the opening door times of clean room and minimize the pollution for clean areas.

Pass box is made of stainless steel plate, smooth, bright and clean. Its double doors are interlocked to prevent cross contamination. And it equips with electronic or mechanical interlocking device and UV bactericidal lamps.