Fluorescent 58 watt 4100K cool white T8 high performance straight tube features a medium bi-pin base, provides a light output of 5000 lumens at a color rendering index (CRI) of 82 and can last an average of, 24,000 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.

• 58 Watt, 5000 Lumens
• Cool White, 4100K Color Temperature
• 24,000 hour average lamp life