Circular duct fan

Circular duct fan Circular duct fan blower is widely used in hotels, guesthouses, senior hall, supermarket, store, toilets and other places of air supply and exhaust air, return air, the wind, and filtering. Circular duct fan combined with domestic and foreign advanced concepts, new design of the chassis and in accordance with the aerodynamic design to the type of impeller, energy to reduce vibration and noise. Inlet and outlet appearance is the same size, the fan can be