PTC heater, self-controlling, lower cost, easy to ... , and make air fragrance.Classify:Classify by heating elements.TypeSpecialtyExcellenceshortcomingOthersPTC self-controlled heaterThe temperature can be controlled ... be homogeneous, to get homogeneous evaporating.One PTC heating element can be applied on 100V~230V, ... heaterOur company can supply PTC heater with ceramic shell, or PTC heating pellet.