The Berner 65MK-072NE is a 72-inch nozzle extension designed for air curtains. Constructed from clear anodized aluminum, this durable extension enhances the performance of your air curtain by providing a streamlined airflow. It is easy to install in the field, ensuring a quick and efficient upgrade to your existing setup. Ideal for improving energy efficiency and maintaining indoor climate control, this nozzle extension is a practical addition to your air curtain system.