Philips High Pressure Sodium HID Bulb, 401.5 W, ED18, Mogul Screw (E39), 50,000 lm, 2100K

Philips High Pressure Sodium HID Bulb, 401.5 W, ED18, Mogul Screw (E39), 50,000 lm, 2100K Item Type: High Pressure Sodium HID Bulb Brand: PHILIPS Manufacturer Part Number: C400S51/ALTO Bulb Base Type: Mogul Screw (E39) Bulb Diameter: 2 1/4 inches Bulb Housing: Glass Bulb Shape: ED18 Color Rendering Index: 20 Color Temperature: 2100K Lumens: 50,000 lm Light Technology: High Pressure Sodium Overall Length: 9 3/4 inches Shatter-Resistant: No Voltage: 115V Watts: 401.5 W Bulb Beam Angle: 360 Degrees Bulb Finish: Clear Rated Life: 24,000 hours ANSI Code: S51 Dimmable: No For Enclosed Fixtures: Yes Bulb Operating Position: Universal Burning