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Predating Metal Halide, High Pressure Sodium, and Low Pressure Sodium lamps, Mercury Vapor bulbs operate by using a small amount of liquid mercury sealed in a quartz tube with argon gas. The arc created by the mercury vapor lamp produces both visible and non-visible ultra-violet (UV) light. The visible light is blue-white in color and is best suited for outdoor lighting applications because of its poor color rendering capabilities.
Typical applications: Street lighting, industrial hi-bay, parking lots, wall pack lighting, and places where long life is required and color rendering is not critical
Note: This product contains mercury (Hg) and as such may be subject to local/state disposal regulations (please visit lamprecycle.org for more information).