High quality materials: Made of high-quality abs material, which is durable and has a long service life. it can be used for a long time. Professional design: The fan is designed with a large capacity, which can be used to heat up and cool down your workstation or office. Reliable device: The btc fan is designed to work with high-speed compressors, which can effectively reduce the temperature of the air volume and improve the efficiency of the cooling system. Product Size (Single fan size):120*120*38mm. Max speed of The Fan:6800RPM.