Sun Blaster CFL Bulb 125w 6400kSunblaster big watt CFL's are high output self ballasted lamps with low energy consumption and full spectrum lighting output. These are great for growers who wish to light larger spaces or as supplemental light. Use SunBlaster 125 watt compact fluorescent lamps to replace your existing 250 300 watt bulbs, wherever you want to provide full spectrum 6400 Kelvin cool natural light which is comparable to natural daylight. These bulbs work well in