The Carrier LA01EC018 (around 2.11 lbs) is a replacement component named a propeller fan blade, typically made of aluminum for efficient airflow. This 18-" diameter blade is designed for Carrier HVAC equipment that utilizes condenser fan motors (verification needed for compatibility with other brands). https://www.partshnc.com/la01ec018-carrier-3-blade18-dia34deg12-borecw