Tower fan is also known as convection fan. According to the principle of airflow, tower fan can form a three-dimensional exchange system between indoor and outdoor air, which is similar to the stove hall air blower. Even without fan blades, they can also supply wind. The fan can be used with air conditioner to form a circulation of airflow. It is suitable for families with old people and children. Its 360-degree all-round air supply and keep the room free of dead air, which is comfortable.