Acoustical Louvers - AFJ-120

AFJ-120 acoustical louvers protect air intake and exhaust openings in exterior walls. The insulated J-style blades provide high free area and low airflow resistance while reducing airborne noise transmission. Model AFJ-120 provides the best sound transmission class rating in its class.

12-inch depth

21% free area (4 ft. x 4 ft.)

1,108 fpm free area velocity at the beginning point of water penetration

STC Rating: 18