Sunlite F17T8/SP850/30PK T8 High Performance Medium Bi-Pin (G13) ( 30 pack)

Sunlite Fluorescent 17 watt 5000 Soft White T8 High Performance Straight Tube features a Medium Bi-Pin (G13) base, provides a light output of 1400 lumens at a color rendering index (CRI) of 83 and can last an average of, 20000 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.