The ELM90HFA Adjustable Louver is 6" deep and has a 90 degree blade angle. It features:
• 74% free area. • Low torque operation and architecturally pleasing appearance with low leakage performance. • Concealed blade linkage is protected from weather exposure and reduces required installation depth. • Blade and jamb seal options provide tight blade-to-blade and blade-to-frame closure.