... source heatpump heater plastic fans 1. plastic axial fan blade 2. 590x183 fan impeller axial fan blade 590x180 ... new polymer materials, larger air-flow, lower noise, compact structure2. ROHS environmental protection authentication3. After special treatment ... 15Rotation Direction:CWApplication: Air Conditioner, Heatpump, Ventilation, Heater, Cooling etc. Product Introduction:My company produces various ...