Condition: 100% new and good quality.; Model No.4715MS-22T-B50 ;; Motor bearing : Ball bearing; Size: 120mm x 120mmx38mm ; Type:Axial Fans;; Nominal voltage : 220VAC;Frequency :50/60Hz;Valid for approval / standard :CE ;Speed :2900min-1 ;Power : 14/13W; Bearing Type: Ball;Noise: 41DB;; We are professional Fan supplier,All products are New original genuine. Please rest assured to purchase, About the product parameters , please check and understand them carefully , if not please feel free to contact us, we are pleased with serve for you.