Stack Boot Rectangular Duct Galvanized Steel Durable 10 In. X 3-1/4 In. to 5 In.
This Master Flow 10 in. Seal seams with code-approved mastic, sealant or duct tape (not included). Stack Boot Rectangular Duct Galvanized Steel Durable 10 In. X 3-1/4 In. round pipe or insulated flexible duct to a 10 in.