Gas Vent Chimney Pipe, Round, Type B, Adjustable, 3 X 12-in.

Round Gas Vent Double Wall Construction with its built-in air space, provides permanent insulation and keeps the inner pipe hot and outer relatively cool

• Round Vent Pipe and fittings are designed for use on approved gas appliances in residential and light commercial applications
• You no longer have to use sheet metal screws to secure pipe connections if local codes require you to. Just press the "LockTab" and you are done.
• Underwriters Laboratories UL 441 and National Fire Protection Agency NFPA 54 and NFPA 211
• Venting gas fired appliances, water heaters, furnaces, stoves, etc.
• LockTab-An alternative method to secure pipe when required by local code.
• Outer material 28 gauge galvanized steel
• Inner liner is Aluminum
• Check Appliance Installation Instructions For Details
• Industry Best Warranty Contact Selkirk For Details