We all know that there are several types that can be divided into high, medium and low configurations. The same price can be divided into three grades. Similarly, the price of a DC fan is also related to its configuration. As we all know, there are several types that can be divided into high, medium and low configurations. The same price can be divided into three grades. Similarly, the price of a DC fan is also related to its configuration. As we all know, there are several types that can be divided into high, medium and low configurations. The same price can be divided into three grades. Similarly, the price of a DC fan is also related to its configuration. As we all know, there are several types that can be divided into high, medium and low configurations. The same price can be divided into three grades. Similarly, the price of a DC fan is also related to its configuration.