Manufacturer's Part Number: #SD3136B
Duravent's Pellet Vent Double-Wall Chimney Pipe adds 36 inches to the length of a 4 inch diameter system, and features a stainless steel inner wall that resists corrosion. Duravent is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent biofuel products such as corn, switch grass, cherry pits, soybeans, coffee husks, etc. Rated for continuous feed use flue temperatures up to 570 degrees Fahrenheit.