The Zephyr 12 inch Duct Cover Extension 36 inch is the perfect solution for extending your existing duct cover. This extension is made from durable stainless steel and is designed to fit most 12 inch duct covers. It is easy to install and comes with all the necessary hardware.The Zephyr 12 inch Duct Cover Extension 36 inch is perfect for any home or business. It is designed to provide a secure and reliable connection between your existing duct cover and the new extension. With its sleek design, it will blend in with any existing decor.The Zephy