The Panasonic FFV0400103S Fan Blade moves air through compatible ventilation systems. It attaches to the fan motor and rotates to circulate air and maintain proper airflow during operation. Designed for compatible Panasonic models, this replacement blade provides a proper fit and restores air movement when the original blade is damaged, cracked, or worn. #PanasonicParts #FFV0400103... https://www.hnkparts.com/ffv0400103s-fan-blade