48Inch Aluminum Ceiling Fan typically uses three or four blades, typically made of either steel or aluminium, and operate at high speed. These energy-efficient ceiling fans are designed to push massive amounts of air across large, wide open spaces. 48Inch Aluminum Ceiling Fan is among the most durable. These cut through the air with little resistance, providing strong airflow. This makes them ideal for use in larger areas where you may have higher than normal ceiling heights.