Lowell’s compact 1RU fan panel for standard 19″ racks is part of the company’s new BDC Series. The panel features 4 3.5″-diameter blower fans with guards to provide total airflow of 90cfm (32dB). An optional thermostat probe is available to control fan activation automatically, based upon ambient temperature. Includes UL-listed power supply (12VDC, 1A).