... reflector: CE, EMC, SAA, C-TICK , ROHS, TUV and ISO9001 Lifespan: 15,000hours , 20.000hours , 30,000hours T5 Adapter ( T5 adaptor) (T8 toT5) ( T8/T5 ) (T5 ... THD) in 7%-8%9) Electronic ballast provide constant light output for mains voltage of 156-256VAC10) EOL ( ... . Solid mercury, 38% less glass compared to T8.16) Improved light quality , no stroboscopic flickering, which usually causes headache ...