US Stove Vogelzang Barometric Draft Control is designed specifically for use with solid fuel burning appliances, providing automatic combustion control to enhance safety and efficiency. This barometric draft regulator helps prevent drafting issues, ensuring a more consistent and controlled burn. It fits a 6-inch flue, making it a practical choice for maintaining optimal combustion performance in your heating system. Experience safer and more efficient burning with this reliable draft control solution. Model Number: DR6