BRAND NEW TpF17T8 T8 High Performance Medium Bi-Pin (G13) Base Straight Tube Bulb  17W  FREE Shipping from US Seller! Fluorescent 17 watt 41K Cool White T8 High Performance Straight Tube features a Medium Bi-Pin (G13) base, provides a light output of 145 lumens at a color rendering index (CRI) of 83 and can last an average of, 2 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.Choose your Color: warm, cool, daylightChoose your quantity: 5, 10, 25GREAT DEAL! FREE Shipping from US Seller! Sunlite Fluorescent 17 watt 41K Cool White T8 High Performance Straight Tube features a Medium Bi-Pin (G13) base, provides a light output of 145 lumens at a color rendering index (CRI) of 83 and can last an average of, 2 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. Specs: BaseMedium Bi-Pin (G13)BrandSunliteBulb ShapeT8 TubeColor Temperature4100KDimmableNoEmitted ColorCool WhiteManufacturerSunliteMaximum Overall Length24MPN30241-SUUPC653703302416Wattage5BrandSunliteMPN30241-SUBulb ShapeT8 High Performance Straight TubeBulb Shape CodeT8 TubeFeaturesNon-DimmableModel30241-SUWattage17Color Temperature4100KManufacturerSunliteUPC65370302416Emitted ColorCool WhiteBaseMedium Bi-Pin (G13)DimmableNoMaximum Overall Length24