Suncourt 12" Automated Airflow Damper; open adjustable

Control airflow in a 12" duct with the Suncourt ZoneMaster 12" Round Automated Adjustable Damper, ZO212. Adjustable close or open position range stops. The flexible installation for an HVAC system or fresh air intake can save energy and money. The thick foam gasket reduces leakage. Operation can be automated with field supplied accessories; such as a thermostat, switch or timer.