Butterfly type cone exhaust fan 1)Using advanced front double door opening device,small wind resistance,good sealing,high efficiency, lengthened cone ...
Brief introduction: ◆Special push-pull shutter mechanism can open and close shutter automatically. ◆Stainless steel blade uses a stamping molding ......
NEW GENERATION OF PUSH-PULL EXHAUST FAN WITH HIGHER EFFICIENCY AND COMPETITIVE PRICE Brief introduction: ◆Special push-pull shutter mechanism can open ...
Shutter cone exhaust fan PERFORMANCE CHARACTERISTIC 1)Reasonable cone designing with big air volume, low noise. 2)Imported bearing, high-strength, low ...