Tin smoke mask
Transparent speaker
A, the diameter of 180mm can be connected with exhaust hose diameter 63mm (2.5 inch)
Hood specification: 180mm*180mm
B, the diameter of 150mm can be connected with exhaust hose diameter 75mm (3 inch)
Hood specification: 150mm*150mm
C, the diameter of 230mm can be connected with exhaust hose diameter 102mm (4 inch)
Hood specification: 230mm*230mm
Application
Electronic factory, R & D, chemical, machinery and equipment, such as local small air pollution of smoking and exhaust.
