Master Flow 10 in. x 3-1/4 in. to 6 in. 90-Degree Stack Boot

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.

• 90° transiton between round pipe or flex duct and stack duct
• Durable galvanized steel construction
• Universal design offers compatibility with most duct pipe