6" adj elbow. For use with solid fuel appliances such as woodstoves. 90 deg. angle. For single wall pipe. Type: Single Wall, Angle: 90 deg, Diameter: 6", Gauge: 24 ga No. BM0015: Type: Single Wall, Angle: 90 deg, Diameter: 7", Gauge: 24 ga No. BM0016: Type: Single Wall, Angle: 90 deg, Diameter: 8", Gauge: 24 ga