4-DLF-33 4″ Drainable 33° Flanged Louver

Standard Construction:

Frame: 0.081 thick extruded aluminum 6063-T5 mill finish
Blade: 0.081 thick extruded aluminum 6063-T5 mill finish
Blade Spacing: Approximately 3-1/4” center to center (except at head and sills)
Fasteners: 10” x 3/4” tek screws
Blade Angle: 33º
Min. Height: 8”
Max. Single Sec.: Consult factory for maximum size
Screen: Bird screen 1/2”×1/2” galvanized steel

4-DLF-33
Air Resistance Test

Insect Screen 1/16” x 1/16” mesh aluminum
Bird Screen 1/2” x 1/2” aluminum
Finish: Clear Anodized, Bronze Anodized, Powder Coat Paint, Baked Enamel Paint