High quality T8 copper magetic ballast 18W 36W 1,Power:18W 36W 2,Voltage:220V-240V 3,Frequency:50Hz High quality T8 copper magetic ballast 18W 36WFeatures:1,Economize on energy efficiently,the oneself axhaust small,the power factor is high,to the electric appliances equiments interfernce small,the work electric voltage breadth,proper functioning in 180V~230V,save the lamp life.2,The heating value ...