EVH-501

Model EVH-501 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.

  • 5-inch depth
  • 54% free area (4 ft. x 4 ft.)
  • 1,250 fpm free area velocity at the beginning point of water penetration
  • Class A Wind Driven Rain performance
EVH-501

Model EVH-501 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.

  • 5-inch depth
  • 54% free area (4 ft. x 4 ft.)
  • 1,250 fpm free area velocity at the beginning point of water penetration
  • Class A Wind Driven Rain performance