The Elgen H flange is designed with two purposes in mind. The first is to provide external duct reinforcement and the second is to provide a joining system between two similar size joints of duct.
Elgen H-Flange, 1500 ft Bundle Size, 20 ga Gauge, Steel, Galvanized, 20 ft Length
- Union made yellow label
- Butyl in pocket for an energy efficient seal
- Sealing materials meet NFPA 90A and B class 1 requirements