From the Manufacturer
Sunlite high intensity discharge medium and mogul base lamps have an extended life and are perfect for outdoor lighting and commercial interiors. These energy efficient HID lamps offer great color rendition, have a long service life and excellent lumen maintenance. This Sunlite 400-watt HID mercury Vapor mogul base ED37 H33 bulb offers 20500 lumens of light output and has an average rated life of 10000 hours.
400 Watts Coated ED28 Mercury Vapor HID Mogul(E39)Base H379 MV250/DX SU - Manufacturer: Sunlite - Base type: Mogul E39 Base - Wattage: 400 Watts - Bulb finish: - Voltage: 120 Volts - Life hours: 12000- Color temperature Kelvin: - MOL:11.5"