Superior Airflow: Shutter Exhaust Fans are known for their power and efficiency, running at 120 volts, 60 Hz, 1,500 rotations per minute, and cooling and ventilating 3,500 cubic feet per minute. Automatic Shutter Design: Wall-mounted exhaust fans are equipped with automatic gravity shutters that automatically open and close as the fan runs, providing convenient operation and efficient ventilation.
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