National Guard Products NGP L-1800 Adjustable Blade Louver for 1 3/4” Thick Doors
• Manually adjustable blades
• 18 ga. cold rolled steel frame
• 18 ga. cold rolled steel adjustable “Z” blades
• Mitered corners secured with reinforcing clips
• Free area 40%
• #8 x 3/4” Phillips head SMS
• Gray Primer (GPZ) powder coat finish Available Options
• Aluminum insect screen - 22 ga. 1/8” square mesh installed on exterior side unless requested otherwise
• Torx āSecurity screws