Quartz Metal Halide HID Bulb, Bulb Base Type Mogul Screw (E39), Bulb Dia. 4 3/5 in, Bulb Housing Glass, Bulb Shape ED37, Color Rendering Index 65, Color Temperature 4000K, Lumens 36,000 lm, Light Technology Metal Halide, Overall Length 11 1/2 in,...