Efficient 12-Inch AC Exhaust Fan with Variable Speed for Greenhouse Ventilation

AC Motor: Operates at 1600 RPM with just 58W of power, providing up to 6.7 m/s airflow while ensuring smooth operation with minimal noise, making it ideal for -round ventilation. Rain Guard: Featuring shutters that open for ventilation and close automatically when powered off, this fan protects against rain and debris, ensuring reliability in your attic exhaust system.