2A centrifugal fans,which possesses advantages of domestic and overseas low-noise fans, are unique low-noise fans designed and developed by our company. This series of fans have maximum air volume of 120000m3/h, wind pressure 1600Pa, and are equipped with dual belt transmission blowers. This series of fans, characterized by low-noise, high efficiency, and nice appearance, are ideal matching products for central air conditioning, air cleaning system and ventilation.