... Factory price 5.OEM 12v/5v DC cooling fan for ups heat dissipationThis 12V/5V 50*50* ... noise with great airflow(CFM),ideal for heat dissipation of ups equipment. Size:50*50 ... *15mmThickness:10mm or 15mm or otherVoltage:12V(5Vavailable)Bearing:Sleeve or ballSpeed:3500-5500RpmAirflow: ... which are widely applicable to machine equipment cooling, heat dissipation, like PC cooling, Car refrigerators, air ...