This stove piping made by Dura-Black ensures a stable and secure connection between your wood burning appliance and your chimney. The pipe is made of 24 gauge steel, and the tight seams are spot welded. This creates a good, safe connection for your ventilation system. This versatile pipe comes in three lengths, and the black finish goes with most existing systems. Connect with other Dura-Black components for secure connections. This product comes with a five-year warranty.