Suncourt Suncourt 8-Inch Normally Closed Electric HVAC Duct Damper & Power Supply

Remotely Control Air Flow and Reduce the Expense of Heating and Cooling: Reduces energy and utility costs; Heat and cool only the occupied areas of a home; Dampers designed to be electronically opened and closed; Includes 24 Volt power supply transformer; Controllable via INSTEON network