Condition: 100% new and good quality. Brand:NMB-MAT;Model:5915PC-22T-B30 ; FAN SIZE:172*150*38MM;Bearing: ball bearing; Voltage:220V;Current:0.21A;Power:40W;Speed: 2700RPM;Air volume: 176.5CFM 5 m?3;/min; Net Weight: 800G;Service life: 50000 hours;Wind pressure: 156.8pa; Noise: 52DBA;Use environment: -20~75 degrees; 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.