1Maximum 4500RPM: This brushless blower fan provides maximum 4500RPM, adopt DC12V voltage and 2.7A current. 2Strong Wind Power: This DC12V 2.7A blower fan adopts PBT and glass fiber material, which ensures strong wind power and high strength. 3Red Copper Coil: The coil is made of pure copper wire, which can greatly reduce the operating temperature and current. 4Two Ball Bearing: This centrifugal blower fan with two ball bearing provides 37.97CFM airflow and maximum 80,000 hours service life. 5Widely Used: This cooling blower fan is widely used in network router, control cabinet and network switch, elevator ventilation, motor drive, filter fan, heat exchanger, refrigeration equipment, printer textile machinery, factory automation equipment, packaging machine. Item Type: 12V Blower Fan Material: PBT, Glass Fiber, Red Copper Application: Suitable for Indoor and Outdoor Communication Base Station, Data Center, Network Router, Control Cabinet and Network Switch, Elevator Ventilation, Motor Drive, Control Cabinet Heat Dissipation (Filter Fan, Heat Exchanger, Refrigeration Equipment), Printer Textile Machinery, Factory Automation Equipment, Packaging Machine Rated Voltage: DC12V Airflow: 37.39CFM Current: 2.70A Speed: 4500RPM Wiring: Red Positive Pole, Black Negative Pole Service Life: 80,000 Hours at 25 Ambient Temperature Product Size: Approx. 97 x 94 x 33mm / 3.82 x 3.70 x 1.30in ( Manual Measurement, Slight Error May Exist ) 1 x 12V Blower Fan