Laboratory fume extractor is a kind of partial exhaust equipment which aim to exhaust corrosive air or dust produced in small area. According to installation position,it divides into three designs including ceiling,wall and deck mounted. It's made of two types of materials covering PP and aluminum. We developped 2600/3150mm as total length to meet different needs of clients.Color options: white and red, white and gray.Fume exhaust arm is widely used in metal processing, welding fume, polishing, and  thermal processing of oil mist treatment, peculiar smell removing, dust removing and beauty field, jewelry field,schools,labs or other industries.