It adopts high-precision double ball bearings and pure copper motor, which is stable and durable, with a life span of 67,000 hours. The motor is a brushless outer rotor, energy-saving and efficient, with a wide range of voltages, from 90V to 270V, and a speed of 2,800rpm, delivering a strong airflow of 43.6CFM, which can easily cope with the cooling and ventilation needs of industrial equipment, chassis and cabinets, and so on.