This three-phase brushless motor is suitable for --- high-end hand dryers, emergency medical ventilators, cushions for air, dust and dust. Product advantages: High pressure (full pressure 12KPA), large air volume (520 liters / minute), low noise (distance from 1M far from 44dB to 1KPa), long life (4 hours of operation, 30 hours of life of up to 20,000 hours), high efficiency , high speed, high stability and so on. This brushless fan has stable start, small size, low noise, low temperature rise, long service life, high efficiency, accurate accuracy, energy saving and environmentally friendly materials. Welcome and I wish you a happy life, my friend., Manufacturer: KJUEQ