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No need for clamps or connectors—duct and fittings have a male end that is slightly smaller than its female end for simple assembly.
Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.
A spiral seam gives this duct greater strength and rigidity than standard duct.
Save energy and increase comfort by heating and cooling only the areas that need it.
In the event of a fire, these dampers automatically stop airflow through duct.