High-efficiency welding fume extraction fans made of steel plate or silumin casting are available for purchase. These durable and continuously-operating fans are statically and dynamically balanced for smooth operation. They can be mounted on an extraction arm, central filter system, or main ductwork to remove hazardous fumes and dust. Different versions and performance levels are available to meet your specific needs. Features: Up to 3000 m/h made of silumin casting (with snap fastener) Static and dynamic balanced impellers (guarantees smooth operation) Low maintenance motor Benefits: Help to improve worker productivity and reduce the risk of accidents. Improve air quality in the workplace, which can benefit the health of both workers and the environment. Reduce the risk of fire by removing flammable gases and dust from the air. Increase worker comfort by removing hot, humid air from the workplace. Reduce noise pollution by absorbing sound waves. Reducing the risk