The Global Industrial #249189 Computer Cabinet AC Fan Kit is a universal case fan designed to fit any computer case. Made of black plastic, this fan has a 4.75" diameter and a 3-pin power connection. It operates on a voltage range of 100-125V and is backed by a manufacturer's warranty. This unit is manufactured in China and includes one fan with dimensions of 4-3/4" in length and 1" in height. Ideal for cooling computer cabinets, this fan is a reliable and efficient solution for maintaining optimal system performance.