Acoustical Louvers - AFJ-601

Model AFJ-601 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. Model AFJ-601 offers the best balance of free area and sound transmission in its class. 6-inch depth 31% free area (4 ft. x 4 ft.) 799 fpm free area velocity at the beginning point of water penetration STC Rating: 10