Enhance your kitchen ventilation with the Zephyr 7 In. Round In-Line Damper. Crafted from durable silver materials, this damper is designed to optimize airflow while minimizing noise. Its 7-inch diameter fits seamlessly into your ductwork, ensuring efficient operation of your range hood. The in-line design allows for easy installation and maintenance, making it a practical choice for any home chef. With the Zephyr damper, you can enjoy a fresher kitchen environment, free from smoke and odors, while adding a sleek touch to your ventilation system.