Round Start Collar with Damper

This round start collar with damper is for transition from flat surface to round pipe or insulated flex duct with damper for flow control. It is available in size from 3” to 20”, and it is made of 26 gauge galvanized sheet metal up to 12″ or 24 gauge galvanized sheet metal from 14″ to 24″.

Description

This round start collar with damper is for transition from flat surface to round pipe or insulated flex duct with damper for flow control. It is available in size from 3” to 20”, and it is made of 26 gauge galvanized sheet metal up to 12″ or 24 gauge galvanized sheet metal from 14″ to 24″.

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