Bullet.
BULLET-type roof fans are designed for the general ventilation of buildings. They are designed to convey dry air (max temp 40°C, dust load not exceeding 0,3 g/m³) without viscous, aggressive pollutants or impurities that could create explosion risk. Available in Ø160, Ø200, Ø250 and Ø315.
Please see data sheet below for exact duties.