GE 81590-6 50-Watt - 100-Watt - 150-Watt A21 3-Way Edison Halogen, 6-Pack Bright, crisp light Application: 3-Way table lamps Base: Medium screw (E26) * Bulb Type: A21 * Watts: 50/100/150 Initial lumens: 700/1600/2300 50/150-HALOGEN