Topring 60.160 LAZER Compact High Performance Safety Blow Gun With 6 Inch Venturi Nozzle

VENTURI NOZZLE: Airflow speeds up as it passes through the nozzle, drawing in ambient air through two side ports. The increased velocity and increased volume of air exiting the nozzle amplifly thrust. Long tubes for blowing floor debris into piles, cleaning masonry forms, tanks, ovens, large molds, as well as machinery and storage areas.