GE 85379 High Pressure Sodium Bulb ED18 Mogul E39 Features: Very high efficacy/low operating cost Excellent lumen maintenance—over 90% @ 50% of life Rated Life- 24,000+ hours Universal burn- can be operated in any position without affecting performance Warm color For open or enclosed fixtures Uses: Industrial, roadway, security, floodlighting Product Specifications LENGTH INCHES: 9.75 AVG. LIFE HOURS: 24000 BRAND: GE COLOR RENDER INDEX: 22 KELVIN: 2100 LUMENS: 45000 MANUFACTURERS PART NUMBER: 85379 PACKAGE QUANTITY: 12 SHAPE: ED18 TYPE: High Pressure NA VOLTAGE: 198 WATTAGE: 400 DIAMETER INCHES: 2.25 SYLVANIA PART #: 67533 PHILLIPS LAMP CODE: C360S51/EW SYLVANIA LAMP CODE: LU400 COLOR TEMPERATURE: 2100 LAMP CODE: LU400/H/ECO PHILLIPS PART #: 322925 ANSI BASE: Mogul E39