Your indoor unit's blower fan may be malfunctioning if you notice reduced airflow or unusual noises. This genuine Midea blower wheel/centrifugal fan (12200101000173) is designed to replace the faulty part in your Carrier indoor unit of split duct skylight or mini-split duct system. Ensure your system runs smoothly and efficiently by replacing the worn-out fan. Before purchasing, verify your device's model number for compatibility.