•Equipped with 250, 280, 315, 355, 400, 450, 500, 560, Nine sizes of 630 mm.
•Rear tilting wind turbine, frame structure, and board surface filled with sound-absorbing material.
•High air volume, high pressure, and high efficiency.
•Purpose: Ventilation, air exchange, oil fume extraction, fire smoke exhaust.
•The A-type motor is externally mounted, and the fan has fire protection function.