... about 60% while increase the Illumination 2:CE,SAA T8 to T5 adapter is simple, practical and easy way ... to convert tired old T8 fixtures to the new energy saving and efficient T5 ... This T5 Fluorescent lamp can replace the old type T8 fluorescent tube directly; 3)Has high output.4)With ... protection, end of life protection3) color: 2700K, 4100K, 6500K. T8 to T5 Adapter