Superior 24-inch Section Double Wall Pipe Snap Lock for 8-inch Wood-Burning Chimney 24-8DM24 inch Section Superior Double Wall Pipe Snap Lock for 8 inch Wood Burning Chimney 24 8DM Product Details This is Superior's 24 inch Section Double Wall Pipe Snap Lock, designed for 8 inch Wood Burning Chimneys. With the 24 8DM model, installation is a breeze, ensuring safe and efficient venting for your fireplace system. What's Included 24" Chimney Pipe Features Easy to install Provides effective venting for Superior or Superior wood burning