Made of extruded aluminum, Model EVH-501D incorporates drainable head member and 5 in. deep vertical rain-resistant blades. Stationary louver is Florida Building Code Approved for use in High Velocity Hurricane Zone and Miami-Dade Approved for use where room behind louver is not designed to drain water penetrating into room or room will house non-water resistant or waterproof equipment. Product is also AMCA 550 and 540 Listed for High Velocity Rain Resistance and Enhanced Impact Resistance.