Sunlite 30445-SU F54T5/850/HO 54W Fluorescent T5 Mini Bi-Pin Bulb, 5000K

The fluorescent 54 watt 5,000k super white t5 high output high performance straight tube features a mini bi-pin base, provides a light output of 5,000 lumens at a color rendering index (cri) of 82 and can last an average of 20,000 hours. these lamp utilize a single and double coat phosphor system. series lamps have an increased cri due to the use of tri-phosphors (rare earth phosphors). tri-phosphors also increase the lumens/watt output of the lamp. these series lamps offer superior quality of lighting, increased energy efficiencies, and extend life.