Suncourt Equalizer EQ2 Register Booster Fan Vent HVAC Air Booster HC300 Tested
This is a Suncourt HC300 Equalizer EQ2 Register Booster fan, a device used to improve airflow from HVAC vents.It features a built-in temperature sensor to automatically turn on when the heating or cooling system is active.The unit includes control switches for fan speed and automatic or manual operation.