Model EHH-501X is a Florida Product Approved stationary horizontal blade wind driven rain extruded aluminum louver designed to protect air intake and exhaust openings in exterior walls. EHH-501X is AMCA 540 Listed for wind-borne debris impact when selected as such and is a high-performance AMCA 500-L wind driven rain louver. Model EHH-501X is approved for use in Florida’s High Velocity Hurricane Zone.

  • 5-inch depth
  • 43% 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


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 and Enhanced Protection, Missile Level E)

Florida Test Protocol: TAS 201 Large Missile Impact

Florida Test Protocol: TAS 202 Uniform Static Air Pressure

Florida Test Protocol: TAS 203 Cyclic Wind Loading

Purchase Options: