The ELF520DD Stationary Louver.Extruded Aluminum is a 5" deep double drainable stationary louver that has sightproof blades at roughly 2” c-c spacing. It features:
• Sightproof chevron blades which provide privacy, conceal equipment, prevent vandalism, and act as a safety barrier to dangerous areas.
• Double drain gutters in the blades to reduce water penetration.
• 48% free area.
• Corrosion resistant, all aluminum construction.
• Outstanding durability and low maintenance.