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


AMCA 500-L Water Penetration, Air Performance and Wind Driven Rain

AMCA 540 Test Method for Louvers Impacted by Wind Borne Debris (Basic Protection, Missile Level D)

AMCA 550 High Velocity Wind Driven Rain

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