FRP Fiberglass Exhaust Fan (Three Blades)The U Type three blade single shutter fiberglass industrial exhaust fan is an efficient ventilation equipment. The fan is made of SMC glass fiber reinforced plastic material to ensure durability and long lifespan. The three blade design reduces resistance during fan operation, making it lighter in weight and providing larger airflow at the same power. The internal U Type bracket securely supports the exhaust fan, preventing deformation and reducing