FEMA 361 Tornado Louvers - AFL-501

Model AFL-501 is a severe-duty aluminum tornado louver designed to protect air intake and exhaust ventilation openings on FEMA 361/320 storm shelters or safe rooms. It is tested in accordance with the stringent ICC 500-20 test standard and is UL Listed. Model AFL-501 is available in several installation configurations and is often installed in front of a high-performance wind-driven rain louver.

5 1/2-inch depth

50% free area (4 ft. x 4 ft.)