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The SOUTHWARK METAL 12-405D is an 84STWD - 12" Ductboard Tab Collar With Damper. This ductboard tab collar with damper is designed for use in HVAC systems. It facilitates the connection of ductwork while providing control over airflow.
Ductboard tab collar with damper for HVAC systems, enabling ductwork connection and airflow control.
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