M G Duravent 6DT-36SSCF 6 Inch x 36 Inch Duratech Factory-Built Chimney Length 430-alloy Inner Line Chimney has been filling the supply and accessory needs of over 8, 000 chimney sweeps hearth retailers masons and contractors for over 25 years. Chimney has the privilege of serving over 80% of the chimney professionals in America.Founded by Robert Daniels Sooty Bob in 1978 Chimney has grown from a one-man operation to a national network of six warehouses and a manufacturing plant. From its headquarters in Fairfield Iowa Chimney plays a major role in providing for the Chimney industry. For a strong, yet economical factory-built chimney pipe, you want DuraTech All-Fuel Stainless Steel Chimney Pipe. Two steel walls and a layer of ceramic blanket insulation promote high flue temperatures while keeping the exterior of the pipe cool. This makes DuraTech an extremely safe as well as efficient choice for venting any wood, oil, coal, or gas-fueled appliance. DuraTech All-Fuel Stainless Steel Chimney Pipes are also easy to work with. For example, because these pipes are relatively narrow with and require only two inches of clearance, your placement options are virtually unlimited. And once you re ready for installation, twist-lock connections effortlessly join these chimney pipes to any of the many accessories included in this versatile line. All factory-built chimneys are not alike. So when you need both durability and convenience, make sure you use DuraTech All-Fuel Stainless Steel Chimney Pipe. DuraTech chimney pipe is designed for appliances that are tested and listed for use with a 2100 degrees Fahrenheit HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Tested to UL test procedures 103 HT and listed under UL re-examination service number MH 7399. Size: 36 . 430-alloy Inner Line.