This Master Flow 10 in. x 3-1/4 in. to 6 in. Stack Boot can be used to help transition a pipe or flexible duct to a rectangular stack duct when running the stack duct inside a wall. Seal seams with code-approved mastic, sealant or duct tape (not included). Constructed of durable galvanized steel.
Made of galvanized steel
Use to transition from a pipe or flexible duct to a rectangular stack duct when running the stack duct inside a wall
Installs with sheet-metal screws
Built in s-cleat for convenient installation
Insulate ductwork for system efficiency and comfort
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