Suncourt Equalizer EZ8 Heating and Air Conditioning Smart Register Booster Fan

The Suncourt Equalizer EZ8 Smart Register Booster Fan quietly boosts heated or cooled air to a room to improve circulation and comfort. The Equalizer's powerful fan works to pull extra air out of weak registers, increasing airflow by up to 300%. It is a simple and safe solution for rooms that are too hot or too cold.