Dura-Vent 58DVA-E45 45 Elbow Vent, with Swivel, 5" Inner Diameter, 8" Outer Diameter, Twist Lock and Galvanized Aluminum Construction (Carton of Four)

The DirectVent Pro 45° Elbow features a fully unitized twist-lock construction. All elbows include a swivel, allowing the lock to remain fully engaged, while aligning the elbow in the desired direction. Use elbows to offset obstructions such as roof rafters or joists. The angle will remain fixed at 45°.