EC series  Centrifugal Fan220*63mmIt adopts digital brushless DC external rotor motor and uses voltage frequency conversion technology to control the speed and power. It has the advantages of high intelligence, energy saving and high efficiency, long life, low vibration, low noise, etc. It can achieve precise regulation and control, and is widely used in household, air-conditioning, industrial ventilation and other scenes.General SpecificationsMotorEC Centrifugal FansFrame MaterialBaked Bla...