This triple-wall chimney pipe by DuraPlus is listed for use with wood, oil, coal and gas application. Its outer wall is 0.018" galvanized steel, the middle wall is 0.018" aluminized steel, and the inner wall is 0.016" stainless steel. Two insulating spaces are contained, one with air and the other with a layer of ceramic refractory blanket. This design permits a 2" clearance to combustible materials and results in a 6" inner diameter with a 10" outer diameter. A limited lifetime warranty applies.
6 Inch length
Triple-wall chimney pipe for wood, oil, coal, and gas appliances