11-62-E is a new product improved on the base of 11-62-A type centrifugal fan,which has a larger volumn,a lower noise than 11-62-A type featured by firm structre new design, nice appearance,etc,the product isan ideal equipment for ventilation in modern hotel,restaurant as well as air -condition unit the and non-explosive-combustion air with no harm to human the air transferd shall not contain any adhesive matenrial with the temperature no higher than 80℃.