1.Boiler blower fan 2.Aluminum shell and impeller,copper coil 3 ... Good looking,CE,CC T-CZR series boiler blower fan is a centrifugal AC 2-1/2" electric turbo ... blower fan.With the merits of large flow volume,high ... and elegant&beautiful appearance, This blower fan is applicable for combustion-supporting such as in homes,restaurants,small-size boilers,blast furnace . ...