F54T5W Fluorescent T5 Mini Bi-Pin Bulb, 5000K, PK40

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.