Imperial 28 Ga. 3 In. Galvanized Adjustable Elbow is a flexible and secure choice for ductwork connections. Featuring 90-degree adjustable rounded double seams, these elbows allow each section to turn ly without the risk of becoming disconnected, ensuring a reliable and secure connection. The adjustable design lets you set the elbows to any angle between a straight line and a right angle, providing the flexibility to customize your ductwork layout to meet your specific needs. Model Number: GV0281-C