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 ... :color temperature: 2700K/3000K/4000K/6000KSpecial color spectrumApplication T5 2x28w CFL Plant Grow Light