Philips U-Bent Fluorescent Lamp, FB40/T12/CW/Supreme/6 12PK Designation, 40 W Wattage, 1 VAC, Fluorescent Lamp, Bi-Pin G13 Medium Lamp Base, T12-6U Shape, 2300 Lumens, 18000 hr Average Life, Cool White Supreme, 90 CRI, 4100 K Color Temperature, 1.5 in Dia x 22.44 in L Dimensions