High Pressure Lamp,ED18 Bulb Shape,400W
.2 1/4 in, Bulb Housing Glass, Bulb Shape ED18, Color Rendering Index 21, Color Temperature 2100K, Lumens 50,000 lm, Light Technology High Pressure Sodium, Overall Length 9 3/4 in, Shatter-Resistant No, Voltage 120V, Watts 400 W, Bulb Beam Angle 360 Degrees , Bulb Finish Clear, Rated Life 30,000 hr, ANSI Code S51, Dimmable No, For Enclosed Fixtures Yes, Bulb Operating Position Universal Burning High Pressure Sodium HID Bulb, Bulb Base Type Mogul Screw (E39), Bulb Dia.