GFW Axial Flow Smoke Blower Fan UGTM GFW Axial Flow Smoke Industrial Fan, with external motor, uses belt and chain drive. It can discharge gas which is with 90% humidity, around 100°C and harmful to motor. It can be widely used for ventilating in specified occasions such as kitchen, bedroom, paper making, chemical industry, spray-paint and so forth. Due to the shielding effect of pipes from each ends, if it is added pipes at each ends for use as a smoke exhaust fan, its noise will lower than sample for 7 12dB(A).