Ventilation fan/exhaust fan
Ventilation fan, also known as exhaust fan, is a device used to remove moisture and harmful gases from the room. according to the different installation positions, it can be divided into wall type, ceiling type, window type and other types. according to the different air volume, it can be divided into large air volume ventilation fan, small ventilation fan and so on. in addition, there are ventilation fans with various special functions such as smart ventilation fans and silent ventilation fans. suitable for home, office, restaurant and other occasions.