This triple wall chimney pipe by DuraPlus can be used with wood, oil, coal, and gas appliances. The inner and outer walls are of stainless steel and the inner wall is aluminized steel. It is insulated by one layer of ceramic refractory blanket insulation and one air space. This is a design that allows a 2" clearance to combustible materials. It has an 8" inner diameter and a 12" outer diameter. This pipe is available in two lengths. It is UL listed and it carries a limited lifetime warranty.
Features
Triple-wall chimney pipe for wood, oil, coal, and gas appliances