"Cooling Fan" dust, "net" at the starting line. Clean fan is cold headache users work more parts on the one hand, fear that is dust. With Miele antibacterial factor this "nirvana" to complete the well-being of air within reach. There are two harmful dust, first plug the duct, resulting in poor air in the fan blowing midnight, always bored with the taste of dust, the second is a lot of dust accumulation, coupled with high humidity inside the cold fan occurs suitable breeding environment for bacteria, making the cold fan straight well-being of the safety factor is reduced.