The FAN2-DC is a DC fan kit that is designed to provide reliable cooling for rack-mounted equipment. The kit includes two 4.5-inch fans that work together to provide a total of 138 CFM of airflow, helping to keep equipment cool and prevent overheating. They are also designed to be quiet, producing minimal noise while in use. The Middle Atlantic FAN2-DC is easy to install and comes with all the necessary hardware, including screws and brackets, to mount it securely in the rack.