The Fantech DBF4XLT is the most advanced dryer booster fan in the industry. It can be used to effectively boost dryer exhaust in duct runs up to 130 feet. The fan features a galvanized steel housing and integrated airflow sensing switch. Additional components include: mounting bracket, quick-connect/disconnect duct collar, 66″ power cord with plug, and wall-mount indicator panel. The LED light on the wall panel lets users know the fan is working properly.