20" Shutter Exhaust Fan, Aluminum Alloy Wall Mounted Ventilation and Cooling for Sheds, Garages, Attics, Workshops and Greenhouses, 3500 CFM, 1500 RPM High Speed Low Noise Automatic Shutter Vent Fan

【Instant Installation】--Enjoy plug-and-play experience with ease! Our wall-mounted exhaust fans are pre-assembled, no additional assembly is required, just install them into the window or wall opening, and you can immediately improve ventilation. With a 1.65meter power cord. Tip: Remember to remove the protective film before use. 【Corrosion Resistant】--This exhaust fan is made with high-grade aluminum shutters and blades which can withstand moisture and high temperature and provide longevity to the fan and prevent corrosive rust from forming. It is perfectly suitable for any place you install and stays with you through the long, sultry summer! 【High Performance】--Our Shutter Exhaust Fans are renowned for their powerful and efficient operation, running at 120V, 60Hz, with a speed of 1500 rotations per minute, and a remarkable capacity to cool and ventilate 3500 cubic feet per minute. Our high-airflow exhaust fan can eliminate heat, humidity, unpleasant odor, and dust from rooms, buildings, and small enclosed work areas. 【Automatic Shutter Design】--Equipped with automatic gravity shutters, our wall-mounted exhaust fans open and close seamlessly as the fan operates, providing convenient and efficient ventilation. This automatic shutter design enhances user experience and ensures hassle-free operation. Get ready to relax and in clean air in all your rooms. 【Versatile Vent Fan】--The Shutter Exhaust Fan is designed to effectively remove heat, moisture, dust, and odors in a wide range of settings, including residential, commercial, industrial, and agricultural spaces. Suitable for various locations such as home attics, workshops, welding rooms, factories, warehouses, barns, and greenhouses, these fans provide comprehensive ventilation solutions to meet the diverse needs of different environments.