About This Industrial-Grade Metal Durability : Exhaust fan crafted with dual-layer galvanized steel body with rust-resistant aluminum alloy shutters withstands corrosion and humidity, high temperatures (-30°F to 140°F), and harsh environments. ETL-Certified for safety. Plug-and-Play Operation : 5-minute simplify installation of the wall mounted exhaust fan with pre-installed 1.65m (5.4ft) power cord — no wiring and no assembly required. Heavy-Duty Airflow for Large Spaces : 2,500 CFM airflow rapidly removes heat, dust, humidity, and odors. Ideal for garages (vehicle exhaust), greenhouses (heat regulation), attics (heat reduction), and workshops (dust extraction), and chicken coops (ventilation). Dustproof & Easy Maintenance : Shutter exhaust fan features gravity shutters and sealed ball bearing motor create dual barriers against dust. Reinforced aluminum blades with rust-proof coating stay clean - maintenance requires only surface wiping (no blade disassembly). Overview Brand : VENTISOL Color : Silver Electric fan design : Exhaust Fan Power Source : ac Style : Industrial Product Dimensions : 11.82"D x 21.26"W x 21.26"H Room Type : Attic, Garage, Kitchen Special Feature : Corrosion Resistant, Weather Resistant Recommended Uses For Product : Air Circulation, Ventilating Mounting Type : Wall Mount