Monessen/Majestic 4" (100Mm) Insulated Flex Duct For Outside Air - ID4

Optimize your fireplace's performance with the Monessen/Majestic 4" insulated flex duct for outside air. Crafted for efficiency, this durable duct includes two 42" sections, providing excellent insulation and ensuring proper airflow to your fireplace. The ID4 model is designed to enhance ventilation, making your heating system more effective while maintaining the comfort and safety of your home.