... fans 1. plastic axial fan blade 2. 590x183 fan impeller axial fan blade 590x180 for 5HP air source heatpump ... : HVACR Equipment, Machinery, Air Source Heatpump etc.Function: Ventilation, Cooling, Heating, Air Conditioning, Draft Inducing, Air Refreshing ... Hole Diameter:Φ15Rotation Direction:CWApplication: Air Conditioner, Heatpump, Ventilation, Heater, Cooling etc. Product Introduction:My company ...