COOL-STICK 18Developed specifically for ventilating flat panel displays that have been recessed into wallsSixteen 50mm fans wired in 2 groups provide a high level of airflow and 100% redundancyEach fan group has its own power supply and thermal switch; any failure results in at least 50% of airflow being maintained 19" W x 1 3/4" H x 8" D Includes adjustable mounting brackets and mini power supply