The 20 in. High Velocity Wall Mount Fan is a powerful industrial and commercial-grade ventilation fan designed for optimal airflow in large spaces. With a maximum airflow of 3220 CFM, this fan features 3-adjustable speed settings, allowing you to easily regulate the airflow based on your needs. Its durable aluminum fan blades are anti-rust, ensuring long-lasting performance, while the double ball bearings, copper wire, and metal shaft contribute to smooth operation and energy efficiency. The 360° rotation angle ensures that air is distributed evenly throughout the room, making it perfect for workshop ventilation, warehouses, garages, and other industrial environments. The fan also operates at low noise levels, offering quiet, effective cooling even in noisy work environments. Color: Black.