Kruger fan (KRUGER) IJM Series. This model is suitable for general ventilation, heating, remote air blowing, parking lots, industrial plants, product storage. IJM Series (Direct drive) Size from 200 to 355 Capacity up to 3,240 CMH Outlet velocity up to 18.3 m/s Size from 200 mm. 355 mm maximum air volume up to 3,240 cu.m./hr. Maximum wind speed 18.3 meter/sec.