Selkirk Metalbestos 6UT-12 Ultra-Temp Type Ht Insulated Chimney Pipe, 6 in X 12 in, Stainless Steel N/A Imported 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