The ELM811H Adjustable Louver - J-Style 45° angle is 4" deep and has a 45 degree blade angle. It features:
• .125" thick extruded frame and blade construction
• 38% 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.