1. frame size(mm): 75X75X30
2. bearing system type: 1B1S bearing,hypro bearing
3. rated voltage: 12V/24V
4. rated speed: 2500RPM/3000RPM/3500RPM/4200RPM/4500RPM 
5. maxiam air flow: 7.12CFM/10.57CFM/12.40CFM/13.01CFM 
6. maxiam pressure(mmH2O): 6.67/9.89/13.93/18.12 
7. maxiam noise(dBA): 35.0/37.6/42.0/44.6 
8. function: by impedance,by IC, by IC with FG
9. safety approvals: CE,TUV,ULoverseas third-party support availabl.
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