Wind blade dynamic balance calibration, stable operating air pressure, and air conditioning cooling without attenuation Multi blade diversion structure improves the efficiency of cold and hot air exchange, saving electricity and energy Suitable for commercial air conditioning, household air conditioning, and air source heat pump multi scenario equipment Optimization of diversion surface, low airflow resistance, faster heat transfer speed of external unit Compatible For Daikin, RQZQ10BAYN PZ400T P55N21F Air Conditioner Outdoor Axial Flow Fan Blade Axial Flow Fan Blade