The DuraTech 7 x 36 Stainless Steel Class A Double Wall Chimney Pipe Length is designed for appliances that are tested and listed for is used with a 2100° F HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas.ADA Compliant: No Collection: DuraTech Fuel Type: Coal, Gas, Oil, Wood Length: 36 Material: Stainless Steel Pipe Class: Class A Pipe Inside Diameter: 7 Pipe Shape: Round Style: Functional UL Listed: Yes Vent Construction: Double Wall Weight: 15.7 Width: 9