The blower wheel, or centrifugal fan, keeps your 000 BTU portable air conditioner and 120 pint dehumidifier functioning effectively by maintaining proper airflow. If you're noticing reduced air circulation or strange noises from your device, it might be time to replace the blower wheel (12100103000099). This genuine part ensures an exact fit and optimal performance for your Midea appliance. Check your device's model number for compatibility before purchasing.