Get this Master Flow to 6 in. Stack Boot delivered onsite. Galvanized-steel construction. Use to create a straight-line transition between round pipe or between an insulated flexible duct and a rectangular stack duct. Installs with sheet-metal screws. Insulate ductwork for system efficiency and comfort. Seal seams with code-approved mastic, sealant or duct tape (not included).

Get this Master Flow to 6 in. Stack Boot delivered onsite. Galvanized-steel construction. Use to create a straight-line transition between round pipe or between an insulated flexible duct and a rectangular stack duct. Installs with sheet-metal screws. Insulate ductwork for system efficiency and comfort. Seal seams with code-approved mastic, sealant or duct tape (not included).