TriGlow T30135 (6 pack) &ndash; F15T8/CW, 15 Watt, T8, 4100K Cool White, 18" Straight, Fluorescent Tube Light Bulb, 6 Pack F15T8/CW Straight T8 Cool White Color Fluorescent Tube Light Bulb - Pack of 6 12,000 hours Average Lifetime T8 Bulb Type, 760 lumens Light Output, G13 Base 100% breakage replacement guarantee 15 watts Energy Used, Cool White Color/Finish, 62 CRI