Fluorescent Lamp, F17T8/CW/APL/28/PH/G13/STD, 17 W, 2-Pin Medium G13 Lamp Base, T8 Linear, 1350 lm, 7500 hr Average Life, 62 CRI, 4100 K Color, Preheat Start, Cool White/Tri-Phosphor Coated, 1 in Dia x 28 in L, 14 deg F Minimum Starting, 60 Hz Operating Frequency, 79 lm/W Efficacy