... 20000H.Ambient temperature:working state 0~40°C(not frozen) static state -10~55°C Ambient humidity:working 70%(not dew ... , and intelligence3.lowest ozone and more ion, Realize man, machine coexistence4.Ion wind directly in the pollution sources and pollutants ... simple, convenient, need not need special;7.Equipment long life. High-energy ion purifier Formaldehyde, benzene, ammonia, toluene, xylene to ...