HTF fire fighting high-temperature exhaust fan / ventilation fan

HTF fire fighting high temperature exhaust fan is a new product through optimized design.It has the features such as high efficiency and smooth curved surface,etc.It's good for saving energy.The fans are driven directly by motor.It can be driven at single speed to ventilate and exhaust in high temperature area when fire fighting if the residential buildings  need.

It is widely used to  residential buildings,drying oven,basement parking lot,subway etc.