The ACL845AF Stationary Acoustical louver has 8" deep airfoil blades and a 45 degree blade angle. Its construction can be either formed steel or formed aluminum. This model features:
• 28% Free Area
• Insulated blades which provide weather protection and sound attenuation.
• An architecturally pleasing appearance.
• Airfoil blades, which have greater strength, provide for lower pressure drop and produce less sound.