4 Inch Duct Connector Coupling Fits Round Flexible Dryer Hose, Semi Rigid Ducting and Solid Metal Pipe - Galvanized Steel HVAC Vent Extender by Vent Works

Description

These heavy gauge couplers are made with 26 gauge galvanized steel and spot welded together to create a rugged coupler that won't bend out of shape. This is a 4 inch coupler, if you need a different size Vent Works has 3 size options; 4" inch, 6" inch, and 8" inch. These couplers are used to connect two pieces of round duct together, it's suitable for sheet metal duct or flexible duct. Use to attach two pieces of round duct together.