Just 1 U (1 3/4") height this compact unit can be ordered with 3, 6, or 9 fans and can be mounted in 19" or 24" cabinetry. Usually mounted below the card cage allowing cooling air to circulate up and around PC cards. All Fan Paks are supplied with 115 volt, 100 cfm fans which are securely mounted in the enclosure. The standard Fan Pak comes equipped with replacement fuse holder and six foot Line Cord/ or Terminal Block. Other options available are Pilot Light, Power Switch, Fan Alarm circuit, Filter, and Remote Temperature Control (thermostat). Contact factory for ordering information.