Speedi-Products SM-RH3106 SB 3.25-Inch W by 10-Inch Length to 6-Inch Stack Range Hood Straight Boot
Speedi-Products Galvanized Sheet Metal Range Hood Straight Adapter Boot. Used to transition from rectangle duct connection at range hood to round sheet metal pipe for venting to outdoors. Can be used for Remodeling, Do it yourself and New Residential projects.