With a length of 36 inches, this chimney pipe is a reliable and durable option for your home heating and cooling needs. Made in the United States, this unit is designed for easy installation and efficient operation. The DuraPlus 8DP-36 Stainless Steel Chimney Pipe is a high-quality, triple-wall chimney pipe designed for use with DuraVent systems. Made of stainless steel, this silver-colored pipe has a 8″ inner diameter and a 12″ outer diameter, making it compatible with a variety of stoves, chimneys, and fireplaces. Diameter (outer): 12 in. Diameter (inner): 8 in. Two insulating layers: ceramic blanket, plus air space. Inner wall: Stainless Steel. Outer wall: Stainless Steel. All-fuel chimney for use with wood stoves, fireplaces, furnaces, boilers, water heaters, or other appliances fueled by wood, oil, coal, or gas. For additional listings of Chimney Pipes, Stove Pipe, Gas Vents, Fireplace Doors and Screens, etc. Heatfab, Duravent, Duraplus, Pelletvent, Hearth & Home, Simpson, Forever Flex, etc.