Model C6-48A, C dust exhausting centrifugal ventilator is a dust exhausting special-purpose fan which has been jointly designed with the Fan Industry, The series fan has the features such as uneasy to collect dust and fine wear-ability etc. It is applicable for exhausting gas containing dust, wooden scraps, fine and crushed fiber etc. (If there are hard particles in gas, a dust collecting device should be installed in front of the fan,) It can also be used as the common ventilation and air-exchange purpose.