Broan-NuTone 3-1/4 in. x 14 in. to 7 in. Round Galvanized Steel Duct Transition

Use this Model T460 Broan 3-1/4 in. x 14 in. to 7 in. Round Galvanized Steel Duct Transition to provide a connection. The connection between a 3-1/4 in. x 14 in. rectangular duct and a 7 in. round duct to facilitate outdoor venting. It is made from 30-gauge galvanized steel for long life.