"Micro Cooling Fan" good show of air purifiers = fan + filter concept, which is the traditional low torque fan can not be done. Air purification fan with powerful Air Amplifier (airflow multiplier) technology and energy-efficient DC motors, and using Francis impeller fan at the bottom of the intake air. Winter "Micro Cooling Fan" optimize indoor air quality, protect the health of you and your family; the summer months also and enjoy the cooling fan features, easy to pro football cozy and comfortable. Top traditional purifier wind design that is fully purify the entire indoor environment. "Micro Cooling Fan", the product itself is a "fan", blowing more targeted way, it can be sent directly to the clean air to the user.