Two-part corner pieces designed for ductwork with formed-on flanges (i.e.FIRMAC duct lines). Fast and easy installation: a hammer is all that is needed! A special stop secures the corners into the flange.
The M2-Z and M3-Z corner pieces consist of a formed and a flat part.
Two-Piece Corners for Formed-on Profiles. Guarantees a 90° angle and an optimal stability. Fast and easy installation.