Features: High Quality Fan: Made of fireproof and waterproof material this fan starts quickly has large air volume low noise and long service life. Low Noise: The exhaust fan runs quietly and has low vibration so you won't be disturbed by this fan when you work. Ball Bearing: The fan adopts high-precision ball bearing which is corrosion resistant high and low temperature resistant and of good quality. Stable Operation: This fan has large wind force stable operation and excellent performance. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material:Aluminium Alloy Size: 120*120*38cm Voltage: 220V Package Included: 1*AC Cooling Fan Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow 1-3cm error due to manual measurement. includes: 1*AC Cooling Fan