Panasonic Window Mount Type Ventilating Fan is an automatic shutter exhaust fan designed for efficient and quiet air extraction in residential and light commercial spaces. It features an automatic shutter system that opens and closes with the fan operation, ensuring protection from dust and back airflow. Equipped with a high-performance condenser motor with thermo cut-off protection and well-lubricated bearings, it delivers reliable and long-lasting performance. The advanced propeller blade design ensures strong airflow with low noise, while its glass mounting design allows easy installation without additional wall modifications.