Condition: 100% new and good quality; Brand:ebmpapst ;Model: DV4650-470; Size:120*120*38mm/4.69' x 4.69' x 1.49 '(L*D*H); Voltage: 230V; Power:16.1~17.7W;Speed:2.650~3.100 1/min ;Air volume: 94.2CFM;Weight: 0.6kg; 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.