1,Size:172*151*51mm 2,CE and CCC and ROHS 3,220/240 CFM 4,Capacitor-run with higher efficiency AC Cooling Fan:1,Size:172x151x 51mm,2,Voltage: 220-240V;3,Frequency:50-60HZ4,Current:0.22/0.24A5,Power:48/54w6,Speed: 2800/3100RPM7,Air volume:220/240CFM8,Frame: Durable-Cast Aluminum9,Impeller:PBT Thermoplastic ,Black,UL-94-VO10,Bear type: Ball bearing; Sleeve bearing11,Life expectancy-at room ...