... ENEC/TUV/CE Linkable Triphosphor T5 Fluorescent Lighting with Big RelectorProduct Description 1, Specification-14W,21W ... -flaming PC plastic lampholder4, Electronic ballast--four configuration for choice: A) IC Standard with chip, PF≥0.99 ... life tim is 15,000h,220-240V,50Hz D) Low Standard, PF≥0.55, life time ... than traditional T8 , T10 tube.2,Good quality with competitive price;3, Instant start, ,no noise ...