Monessen/Majestic 4" (100Mm) Uninsulated Flex Duct For Outside Air - UD4

The Monessen/Majestic 4" uninsulated flex duct is crafted to enhance the performance of your fireplace by providing efficient outside air intake. This flexible duct, which includes two 42" sections, ensures a seamless installation and reliable airflow, making it an essential component for maintaining optimal combustion. Perfectly designed for those who value both functionality and quality, this durable duct is a smart addition to your fireplace setup.