Fluorescent Lamp, F4T5/CW/PH/G5/STD, 4 W, 2-Pin Miniature G5 Lamp Base, T5 Linear, 140 lm, 8000 hr Average Life, 85 CRI, 4100 K Color, Preheat Start, Tri-Phosphor Coated, 5/8 in Dia x 6 in L, 14 deg F Minimum Starting, 60 Hz Operating Frequency, Cool White Light