... , to prevent mildew, permanent use4. High temperature and low temperature resistance, corrosion resistance, anti-bending, anti-fall5. ... Diameter:Φ15Rotation Direction:CWApplication: Air Conditioner, Heatpump, Ventilation, Heater, Cooling etc. Product Introduction:My company produces various ... types of axial flow fan blade products, with low noise, large air volume, anti-vibration, good balance ...