4X3-311P 3 Plain Reducer Short 24 Gauge Steel Short Plain Reducer 4 X 3 in
7-327 Rain Cap 7 in 327 Series Square Steel Galvanized Rain Shanty Cap
4X5-312 4 - 5 increaser R Short 24 Gauge 4 x 5 in Steel Crimped Duct Short Increaser
6-24-302C Elbow Corrugated Stove Pipe 24 Gauge 6 in Galvanized Steel