8/10/12/14/16inch Exhaust Fan, High-speed Powerful Ventilation Fan, Commercial Industrial Duct Exhaust Fan, Metal Axial Fan Exhaust FanProduct Name: Commercial Industrial Duct Exhaust FanProduct size: 8/10/12/14/16inchMaterial: MetalColor: As shownPower: 8inch: 55W, 10inch: 155W, 12inch: 165W, 14inch: 260W, 16inch: 280WRotation speed: 8inch: 2800r/min, 10inch: 2800r/min, 12inch: 2800r/min, 14inch: 2800r/min, 16inch: 2800r/minAir volume: 8inch: 1050m³/h, 10inch: 2100m³/h, 12inch: 2700m³/h, 14inch: 4250m³/h, 16inch: 5830m³/hNoise: 8inch: 50dB, 10inch: 56dB, 12inch: 60dB, 14inch: 75dB, 16inch: 75dBPacking List: 1*High-speed Powerful Ventilation FanNote1 Please check the size and color before purchasing.2 Does not include items other than those shown in the product photo.3 Please note that due to the different monitors, slight chromatic aberration may occur, please understand.4. The above data is for reference only, the size is manual measurement, each variable may be different, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us by emailThis exhaust fan is built to endure the demands of daily ventilation and will provide you with years of exceptional performance.