This is a very aggressive and universal cooling and venting unit. This unit can be used in cabinets, behind TVs, or for various rack applications. It features six top-quality fans that are mounted using special mounting hardware which eliminates noise caused by normal fan vibrations. The unit operates on DC voltage and by adjusting the voltage, the unit can be run silently or more aggressively depending on the application. The fans can also be reversed and the unit oriented to blow air either upward or downward. This unit is ideal for a variety of applications that require aggressive but quiet cooling.