500 WATTS T3 QUARTZ HALOGEN LIGHT BULB 118MM DOUBLE ENDED 3,500 HOURS LONG LIFE TUNGSTEN HALOGEN LAMP T3 Type Halogen Light Bulb, 500 Watts, 130 Volts Long Life 3,500 Hours, Lasts Up To 6 Times Longer Than Standard Halogen Bulbs 118MM Version, RSC Double Ended Base 4.688" Maximum Overall Length Pure Tungsten Minimizes Heat and Provides Crisp White Light