... , 21W, 28W, 35W1, Energy saving 45% than traditional T8 , T10 tube.2, High quality with competitive price3, Material ... No labour and no modification cost to the existing T8 light fixture.11, PC inflaming retarding converter lampholder12,Installation ... 45°/90° degrees CRI >82Mechanical Data Light Type T8-T5 adapterDimension600mm,1200mm,1500mmBase Type G13Housing Material AluminumApplication Environment ...