About This Heavy-Duty Ventilation for Diverse Spaces: 1,590 CFM airflow efficiently removes heat, fumes, and humidity from attics, workshops, factories, barns, and greenhouses. Ideal for residential, commercial, and agricultural use with 8.2 m/s wind speed. Rustproof Aluminum Shutter Exhaust Fan: 14 inch corrosion-resistant aluminum blades automatically open and close with fan operation, blocking pests, dust, and debris. Built to withstand moisture and high-temperature environments. Thermally Protected Enclosed Motor: Fully sealed motor with overheating protection ensures reliable performance. Designed for continuous operation in demanding industrial or agricultural settings. Simplified Installation with Pre-Wired Kit: Includes 1.65m power cord, 3ft strain relief clamp, and clear step-by-step instructions. Universal design streamlines setup for DIY or professional installers. Industrial-Grade & Custom Sizing: 120V/60Hz, 12"/14"/18"/20" Options. Designed for factory, barn, and commercial cooling where standard fans fall short. Overview Brand : VENTISOL Color : Silver Electric fan design : Exhaust Fan Power Source : AC Style : Vent Fan Product Dimensions : 7.48"D x 17.13"W x 17.13"H Room Type : Attic, Garage, Laundry Room, Barn, Greenhouse Special Feature : Corrosion Resistant, Weather Resistant Recommended Uses For Product : Air Circulation, Exhausting, Ventilating Mounting Type : Wall Mount