Selkirk Metalbestos 8UT-24 Ultra-Temp Type Ht Insulated Chimney Pipe, 8 in X 24 in, Stainless Steel, 8" x 24" 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