Selkirk 6 in. D X 18 in. L Stainless Steel Chimney Pipe

Designed for maximum continuous operation at 1000 degree Fahrenheit flue gas temps. Augured-in mineral wool insulation fills space between chimney walls. Minimum 2 inch airspace clearance to combustibles. Helps to reduce expansion noise and contains surges of heat Inner and outer pipe made of 430 stainless steel Use with other type HT accessories