Triangle Bulbs T10359-5 (5 pack) - Q150T3/78MM, 150 Watt, J Type 78mm Double Ended T3, Halogen Light Bulb, Pack of 5 Size: see pictures above Long life: approx. 2,500 hours bulb life Versatile usage: applicable home, office, restaurants, and stores High brightness light bulb (5) x J Type Double Ended T3 120V 150W 78mm Halogen Light Bulbs