Schoenfeld 2545 2-1/2" 45 Degree Elbows. Elbows have 2-1/2" I.D. on one side and 2-1/2" O.D. on the other side. Sold in pairs.
This product would be ideal for applications requiring a 45-degree exhaust elbow, such as outdoor kitchens or garages that need to connect from a vertical exhaust to a horizontal structure.