This Aluminum Standard Tee with 3 Inner Diameter from the Round Gas Vent series is a Type B gas component and consists of the duralock system for a tight seal.Use for a 90° offset or to combine connectors from two or more appliances into a common vent Branch swivels for alignment 3 - 8 Feature swivel on male endADA Compliant: No Collection: Round Gas Vent Elbow Angle: 90 Degrees Fuel Type: Natural Gas, Liquid Propane Height: 9 Inner Diameter: 3 Material: Aluminum Pipe Class: Type B Pipe Shape: Round Style: Contemporary Modern Weight: 7