100 WATT T3 QUARTZ HALOGEN LIGHT BULB 78MM DOUBLE ENDED LONG LIFE 3,500 HOURS PURE TUNGSTEN LAMP T3 Type Halogen Light Bulb, 100 Watts, 130 Volts R7S The Best Quality Bulbs Anyray # A1826Y Long Life 3,500 Hours, Lasts Up To 6 Times Longer Than Standard Halogen Bulbs 3-1/8 '" inch long or 78 MM SHORT Version, R7S Double Ended Base Usage: Applicable Home, Office, Restaurants, Stores, Schools , Landscape . High Brightness and Energy efficient light bulb / Dimmable Anyray