The L Panels are beaded in regular intervals to provide strength to for large duct size.
#Available Materials: Galvanized, Aluminium, Stainless Steel.
#Thickness: 26 -18 gauge for Galvanized, .032 - .050 gauge for Aluminium, 24-20 gauge for Stainless Steel
#Finishing type: TDF, S&D, Raw
#Inclusive: Bolt & Nuts, TDF Corners(provided separately), Gasket, C Cleat