The US Stove D-6 Heavy Duty Cast Iron Damper is a 6-inch damper designed for wood or coal stoves. Made of durable cast iron, it is built to last and withstand high temperatures. The damper helps regulate the airflow in the stove, allowing for more efficient burning and heat output. Measuring 11 inches in length, 10 inches in height, and 6 inches in width, it is a compact and effective accessory for any stove.