... 2, Samsung or Seoul leds 3,PF:>90% 4,ETL,CE,RoHS approved Specification Features 1,Efficient heat dissipation structure 2,Wide beam ... saving than traditional fluroscent lamps 2, Contains no Mercury and ROHS complaint 3, 40,000 hours lifetime 4, Easy to install ... day after payment confirmed T8 LED Tube Lamp 20W,ETL/CE/RoHS approved