* Window Mount Range – Front Shutter Type with Electrical Shutter is designed for direct exhaust to outdoor to maintain the best indoor ventilation and air circulation. 
* The fans are recommended for domestic and commercial premises, e.g. bathroom, bedroom, living room, kitchen, lavatory, meeting room, office, computer room, restaurant, classroom, hospital ward, etc.
* Durable and reliable Shaded Pole Motor is adopted.
* Electrical Shutter System is applied for
(1) Stable opening of shutter plates by electrical control ensures the best air exhaust volume
(2) Light landing of shutter plates by electrical control prevents noise from sudden shutting of shutter plates from overhead wind, blocks outdoor dust and insects, and maintains indoor temperature
* Detachable Spigot for easy and safe indoor installation and its special design with thread to ensure precise and easy installation to the fan housing.
* Convenient Installation Clip for easy and safe indoor installation.