aRn fan is mounted in the walls. They are characterized by a hybrid construction, the grill is made of high quality ABS white plastic while the mechanism of gravity damper is made of powder painted steel. aRe fan can be used in small rooms (bars, restaurants, garages, warehouses). They are equipped with a gravity shutter, which blocks the reverse airflow. The fan is equipped with a pulling switcher and power cord. There is a possibility to use the speed controller to optimize the work of an engine.