Low pressure and friction loss. Meets SMACNA gauge requirements. Airtight 4-ply lock seam construction. Meets leakage Class 3 for 10” W.G. Duct construction class in a sample test section. Sealant is required only where elbows attach to the duct, saving labor time. Greater structural integrity. 26 ga Galvanized Steel
(Note: 45 degree Elbow pictured)
Diameter | Box Qty |
4″ | 60 |
5″ | 28 |
6″ | 100 |
7″ | 65 |
8″ | 60 |
9″ | 32 |
10″ | 32 |
12″ | 18 |
14″ | 12 |
16″ | 1 |
18″ | 1 |