... 21W,28W,35W 2,Energy Saving 30-45% 3,ENEC,GS,CB Approved T5 Indoor Light Fixture Product Description ... oxidation film on the aluminum reflector, improve more light efficacy. Product Feature 1, Energy saving 30%~ ... 45% than traditional T8 , T10 tube.2,Good quality with competitive price;3, Instant start, ... No flicker, near to natural light,good for eyes8, slim and light weight9, ENEC,GS,TUV, CE, ...