... PC cover, 4. CE & RoHS&ETL T8 LED tube 18W 9W Specifications:Item No MS-T8DAY-60B MS-T8DAY-60BMS-T8DAY-120BMS ... .Advantages:Long Lifetime: up to 100 000 hours, no needed tube replacement over years, no additional cost of replacement tubes, up to 60 ... %-70% savings, no maintance and tube repleacment cost, LED tube require no ballast & starter, saving even more energy, instant ...