VEVOR Shutter Exhaust Fan 18in 013-058

Condition: Brand New VEVOR 18 inch Shutter Exhaust Fan, wall mounted attic vent fan with variable speed controller, 2200 CFM, AC motor, heavy-duty steel, low noise for shed, garage, and greenhouse ventilation cooling. Black. Model AMX-FAGAC18. 7x ventilation efficiency in one fan - 7 times the airflow of a single window. 24h smooth operation, energy-efficient and stable. Automatic shutters open when powered on and close when power off, keeping out rain and debris. Rated voltage AC 120V 60Hz, RPM 1450, air speed 6.8 m/s, noise level up to 68 dB(A), power 117W. Net weight 13.34 lbs (6.05 kg). Overall size 21.1 x 18.1 inch (535 x 460 mm). Accessories: 1 x user manual, 4 x expansion bolts M8x60.