... propeller 4. with RoHS Plastic fan blades 401x115x8 for HVACR system Product photos: SpecificationsApplication: HVACR Equipment, Machinery, Air Source ... designs, our products are extensively used in HVACR system,Heatpump,Cleaner,Air Curtain,FFU,Air Refreshing,Air Circulation ... are guaranteed for a period of one year against manufacturing defects in material and workmanship when operating under normal ...