Philips
250 Watt Ceramalux High Pressure Sodium Light Bulb Lamp
C250S50/ALTO
Mogul Base
Shape - ED18
ANSI Code - S50
Lamp Type - HID
Wattage - 250
Voltage - 120
Diameter (in.) - 2.25
Overall Length (in.) - 9.75
Life Hours - 24000
Initial Lumens - 28500
Mercury Content (mg) - 23.5
Base Type - Mogul (E39)
These are new in the factory sleeve.