... up to 10000 hous lifespan. 3,Competitive price. Energy Saving Lamp Features:More compact structure, cuter appearance High light output and ... rendering Dramatic energy saving and longer life Flicker free starting operation Ideal replacement of incandescent lamp T2,T3, T4 ,T5 tube ... Diameter D(inch)2.2322.6772.0472.0472.0472.047Lamp Life 10,000 Hours Certificate CUL/UL/FCCApplications:Shopping malls, ...