fan unit 1, rated voltage: 110V 2, air flow: 21 CFM 3,sleeve bearing 4, low noise, high speed fan unitCixi Xieda Network Equipment Co., Ltd. always abides by the business strategy of "high-quality products & reasonable price", the service concept of "showing respect to you & trying my best", and the professional spirit of honesty, innovation, enthusiasm, sureness" to provide customers the best ...