Sturdy 8 Aluminum Blades: The industrial ceiling fan blades of this 96-inch indoor and outdoor ceiling fan are made of high-quality aluminum and are infused with ultra-hard alloy metal, making the fan blades thicker and more durable. The blades are strong and will not bend. This large fan is the best choice for those who need a large, black, commercial, high airflow, low noise, industrial grade durable ceiling fan. Enery Efficient DC Motor: This large High Volume Low Speed (HVLS) industrial ceiling fan features an enhanced DC motor. It operates quietly and steadily with a noise level of less than 36 decibels, providing a comfortable environment and is more energy efficient than conventional fans. Large ceiling fan are suitable for commercial environments such as garage, shop, restaurants, offices, stores, malls, warehouses, gyms and cafeterias.