The 10-inch Spring Damper from BROAN-NU TONE LLC is designed to optimize airflow in your ventilation system. This damper features a spring mechanism that allows for automatic opening and closing, ensuring efficient air control. Constructed from high-quality materials, it is built to withstand various environmental conditions, making it suitable for both residential and commercial applications. Its standard 10-inch size fits seamlessly into existing ductwork, facilitating easy installation. Enhance your ventilation efficiency with this reliable spring damper, ensuring optimal performance and energy savings.