Majestic UD6, 6" (152mm) uninsulated flex duct for use with outside air kit - includes two 42" (1065mm) sections Outdoor Kichen Available in 3 sizes:

Available in 3 sizes:

forged from robust 304 stainless steel and 1/8-inch heavy-duty steel

but they will be custom made in and shipped to you in 1-3 Weeks

refined design

Majestic UD6, 6" (152mm) uninsulated flex duct for use with outside air kit - includes two 42" (1065mm) sections Outdoor Kichen Available in 3 sizes:The Majestic UD6 Uninsulated Flex Duct is a reliable solution designed to enhance the performance of your Majestic fireplace when paired with an outside air kit. This 6 inch (152mm) flex duct includes two durable 42 inch (1065mm) sections, providing flexibility and ease of installation for bringing fresh outside air into your fireplace system. By improving combustion airflow, the UD6 helps optimize fireplace efficiency and maintain a consistent burn.