Linkable T5 fluorescent Lighting with Big Reflector 1,Specification:8W,14W,21W,28W ... %~45%. 3,ENEC/TUV/CE Linkable Triphosphor T5 Fluorescent Lighting with Big RelectorProduct Description 1, Specification-14W,21W,28W,35W2, ... <15%, life time is 20,000h, 220-240V,50Hz C) Ordinary Standard, PF≥0.95, THD<30%, life tim ... 15,000h, 110V/120V/220-240V.50/60Hz 5,Lighting Source-T5 pure tri-phosphor tube,Ra≥82,life ...