Model EAH-690 is an adjustable extruded aluminum louver with drainable head and J-style blades, which open to a full 90º position to allow for maximum free area. This louver is ideally suited for high volume exhaust applications. The louver provides a tight shut off from air and other elements when in a closed position. This product is most often provided with factory-mounted and adjusted electric actuators.

  • 6-inch depth
  • 40% free area (4 ft. x 4 ft.) 45º open
  • 70% free area (4 ft. x 4 ft.) 90º open
  • 1,069 fpm free area velocity at the beginning point of water penetration (blades in 45° open position)


AMCA 500-L Air Performance

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