The Marley Engineered Products 490061001 Fan Blade is a 5-inch diameter replacement component designed to support airflow in compatible HVAC and ventilation equipment. It attaches to the motor shaft and rotates to move air through the unit, helping maintain effective air circulation and heat transfer. Commonly used in compatible Marley heating, cooling, and ventilation systems, this f... https://www.partshnc.com/490061001-marley-engineered-products-fan-blade-5-dia