This Majestic Chimney Section is a premium chimney component crafted to deliver excellent airflow, safety, and functionality. It features a heavy-gauge aluminum liner paired with a stainless steel outer shell, providing exceptional heat resistance and protection against corrosion. This section includes a high-temperature silicone gasket and an air-tight seal to ensure consistent and reliable performance. Designed specifically for use with Majestic direct vent fireplaces, this chimney section is UL listed, ensuring it meets high standards of safety and performance. WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.