UPGRADED AND THICKENED FAN: 4020 is an upgraded version of the cooling fan of 4010. It reduces the fan blades, increases the thickness of the fan blades and the frame, reaches a high speed to keep it quiet, and has a large air output.
40MM 4020 FAN SPECIFICATION: Dimension 40mm(L)x40mm(W)x20mm(H); Bearing Type Hydraulic Bearing; Rated Voltage DC 12V; Fan Blade 5PCS; Current 0.15A; Airflow 11CFM; Noise 35.9DBA; Speed 8800RPM; Power (Watts) 1.8W; Air Pressure 7.6mmH₂O; Connector XH2.54-2PIN; Life 35000Hours; Cable Length 23.6IN; Package Include 6PCS 4020 Brushless Cooler Fans.
MULTIPLE APPLICATIONS: Humidifier/ Aromatherapy and other Small Appliances Series; Anywhere & electronic that need cooling.
40x20 MM Fan Features: Power saving design, low power consumption, easy to use; Unique fan design for easy thermal heat dissipation, low noise; Black fan Made of ABS plastic and metal motor.
Note: The red line is the positive pole "+" and the black line is the negative pole "-". This fan is approved to provide a safe and effective working environment and complies with FCC and CE criteria.