Selkirk Metalbestos 8UT-36 Ultra-Temp Type Ht Insulated Chimney Pipe, 8 in X 36 in, Stainless Steel, quot Ultra-Temp Type HT Ideal for venting residential heating appliances burning natural and LP gas, No. 2 oil and wood Designed for today's air tight wood stoves Double wall.All Stainless A locking band ensures system integrity and strength for the life of the chimney