T5 2x28w CFL Plant Grow Light 1.35% energy saving than t8 items 2.Instant start, lifespan 8000hrs 3.Ballast CE ... ,CB,UL,K,SAA T5 CFL Plant Grow Light ... Featrues:1. Double tri-phosphor cfl tubes, 85 lm/w, CRI ... : 2700K/3000K/4000K/6000KSpecial color spectrumApplication T5 2x28w CFL Plant Grow Light