Exhaust type The fan shall be suitable for window mounting Condenser motor with thermo cut-off Well lubricated bearing for long life operation Propeller fan incorporated with�Advanced blade design�enables powerful Airflow at low noise Shutter operated by pull cord which switches on or off the fan simultaneously Metallic shutter axis ensures smooth shutter movement and its endurance under strong wind Extra construction cost for opening hole on the wall can be saved Recommended glass thickness = 3 to 7 mm Installation hole size = 186~188 mm AMCA Certified