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Dampered Start Collar - 9 inch (DSC9)

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Product Description

Galvanized 9" extended start collar for an extension piece on ducting through walls or as a fitting piece to a plenum or square to round duct register. One end crimped to slide into ducting and the other end is dovetailed to connect to plenum or take off ducting. Built in manual damper to regulate airflow. 6" in length vs. the standard 3". Quantities are limited.

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