XBDZ series wall fans feature high efficiency, low noise and stable operation. Equipped with aluminum alloy impellers, they are widely used for wall exhaust in industrial buildings, civil constructions, gymnasiums and entertainment venues.With square and attractive appearance, the fans are easy to install by embedding into reserved wall holes and sealing with soft cushion materials.Fitted with aluminum alloy waterproof outlets, they effectively prevent rain and wind backflow. The integral sound-absorbing casing reduces vibration and noise, ensuring stable and quiet operation.DFBZ wall axial fan features low noise and easy installation, with waterproof louver and sound insulation casing for exhaust of factories and venues.