GE 3 Way, Soft White Light Bulb, 300 Watt, 1-250/2650 Lumens, Ps25, Mogul Base, 6-11/16 In. Sleeved PS25 100/200/300 watts 1320/3300/4620 lumens Avg. life 1500 hrs. M.O.L. 6-11/16"