Industrial Ventilation Extractor Metal Axial Exhaust Commercial Air Blower Fan 300mm Metal Structure Integrated Fan Blade Ultra-Quiet Operation Thickened Steel Wire Mesh Easy Installation Wide Application Speed: 2800 RPM,Panel size: 350 x 350 mm / 13.78 x 13.78",Air Volume: 2850 m³/h,Noise: 68-73 dB,Gross weight: 4.5 kg / 9.92 lbs,Package size: 39 x 39 x 18 cm / 15 x 15 x 7",Material: Metal,Opening diameter: 300 mm / 12",Type: Exhaust Fan,Voltage: 220V,Model: YNF-300-2T,Frequency: 50 Hz,Application: Commercial,Power: 107W