Sterl Lighting Switch Start Metal Halide 400-Watt quartz metal halide HID light bulb combines high performance, long life and superior light quality in an energy efficient light bulb. It provides a sparkling white light and is ideal for use in industrial and retail high/low bays and parking lots. Philips Switch Start Metal Halide light bulbs last at least 10,000 hours.
400-Watt HID Metal Halide light bulbs offering indoors and outdoor security lighting premium light quality for general lighting
Provides a sparkling white light Ideal for use in industrial and retail high/low bays parking lots, commercial buildings, shopping malls and building flood lights.
MH400/U/ED28 for use with ANSI M59 ballast, ED28 Shape, Mogul Base, Color Temperature: 4,000K
Estimated yearly energy cost: $48.18 (based on 3 hours/day, 11¢/kWh. cost depend on rates and use)
Can also be used for growing plant foliage and increase vegetative plant mass