Philips ALTO® Compact Fluorescent Lamp, Energy Saving Triple Non-Integrated, PL-T 42W/841/A/4P/ALTO Designation, 42 W Wattage, 124 VAC, 0.32 A, CFL Lamp, 4-Pin GX24q-4 Lamp Base, PL-T Shape, 2720 Lumens, 20000 hr Average Life, Cool White, 82 CRI, 4100 K Color Temperature, 41 mm Dia x 160.7 mm L Dimensions