Vertical Blade Louvers - EVH-302

Model EVH-302 protects air intake and exhaust openings in exterior walls sensitive to water penetration. The design features a drainable head and vertical rain resistant blades to provide exceptional resistance to wind driven rain. 3-inch depth 51% free area (4 ft. x 4 ft.) 1250 fpm free area velocity at the beginning point of water penetration Class A Wind Driven Rain performance