Item Notes: Lightweight air-insulated, double-wall metal construction with an inner pipe of reflecting aluminum and an outer pipe of corrosion-resistant galvanized steel for strength, safety, and durability. Constructed from four sections for smoother bends and less resistance. It adjusts easily from 0 degrees to 90 degrees to clear rafters or ceiling joists. Highlights: Nominal Size: 4 Length: 8-3/4 End Style: snap lock coupling Temperature Rating: 400 - 550 deg F Used with type B gas vent system double wall Listed: Susana Perez Listed: Jun 29, 2021 1:11 pm Due to variances in monitor color, and lighting, the color of some items may differ slightly from the photographs About us: Vanessa Jane is a family-owned business based in Indiana. We sell only authentic merchandise from brand new to used, and list new inventory daily. Make sure to put us on your favorites to see what's new each day! We source all of our inventory from reputable sales channels, including: Macy's Amazon Walmart Home Depot Office Depot Lowes Build.com And many more Box E112 (4)