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.
Galvanized-steel construction
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
Seal seams with code-approved mastic， sealant or duct tape (not included)
Comment