*In galvanized steel finish.
*Delivered prefabricated "L's" or "box", ready to assemble.
*Preparation for union with "TDC System" (profile and cornerback).
*Insulation Options available in Ductliner and others.

Advantage:
-Fast assembly flange.
-More Rigidity than clip-zeta union.
-Save Shipping costs on "L's".
-Automated cut and fold .