Acoustical Louvers - AFJ-801

Model AFJ-801 acoustical louver protects air intake and exhaust openings in exterior walls. The insulated J-style blades provide high free area and low airflow resistance while also reducing airborne noise transmission. 8-inch depth 27% free area (4 ft. x 4 ft.) 887 fpm free area velocity at the beginning point of water penetration STC Rating: 12