Astria 12 inch Section Double Wall Pipe 12 8DM mary jordan (@aprilbloom16) Instagram photos and videos Mary jordan. Astria 12 inch Section Double Wall Pipe Snap Lock for 8 inch Wood Burning Chimney 12 8DM Product Details What is the function of the Astria 12 inch Section Double Wall Pipe with Snap Lock for an 8 inch wood burning chimney, and how does it contribute to the system's installation and efficiency? The Astria 12 inch Section Double Wall Pipe with Snap Lock for an 8 inch wood burning chimney is designed to extend and connect sections of the chimney system. Its double wall construction provides effective insulation, minimizing heat loss and preventing heat transfer to surrounding materials. The Snap Lock feature ensures quick and secure connections between pipe sections, simplifying installation and ensuring a tight, leak proof fit. This contributes to the system's overall efficiency by maintaining proper draft, enhancing performance, and ensuring safety during operation. What's Included 12" Chimney Pipe Astria 12 inch Wall Pipe Key Features Easy to install Galvanized steel outer shell Stainless steel inner shell 8" Standard Wood Burning Chimney component accessory 2" clearance to combustibles is required unless noted differently Specifications for Astria 12 inch Section Double Wall Pipe Model: 12 8DM Length: 12 inches Inner Diameter: 8 inches Outer Diameter: 12 3 8 inches