Gas Vent Pipe Fittings

Angle 45/60 Degree (1) Material Aluminum (Inner Wall), 28 Gauge Galvanized Steel (Outer Wall) (2) Material Thickness 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall) Size 3 Inch (1) Size A 4 Inch (1) Size B 4 Inch (1) Type Double Wall, Round, Adjustable (1) Round, Standard (1)