8" DuraVent DuraTech Double-Wall Stainless Steel 15-Degree Elbow Kit - 8DT-E15KSS
This 15-degree elbow kit includes: 2 elbows and 1 elbow strap for added support. Use for offsets around obstructions such as rafters, ridgepoles, or joists. May have two pairs of elbows, if needed. Elbows swivel 360° at base (angles are not adjustable).
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.