The ELC6375DAX Combination louver has a 6" deep frame, 6063T5 extruded aluminum with .125" (3.2) nominal wall thickness. It features:
47% Free Area.
Published performance ratings.
Concealed blade linkage.
Adjustable rear blades.
Blade and jamb seals.
High performance frame system.
A drain gutter in each front stationary blade.
Architecturally styled hidden mullions.