The L375D High Performance Drainable Blade Stationary Louver is 4" deep with at a 37-1/2 degree blade angle. It features:
• 50% Free Area
• Low pressure drop and water penetration
• Drain gutters in each blade and downspouts in jambs and mullions to drain water from louver for minimum water cascade from blade to blade
• Architecturally styled hidden mullions allowing continuous line appearance up to 120"
• Economical galvanized steel construction