These enhanced quality lamps offer top performance with a 24,000 hour user life and the highest energy efficiency and lowest operating cost available. Superior Life High Pressure Sodium Lamps are more energy-efficient than incandescent, mercury vapor, metal halide and fluorescent lighting sources. Sodium lamps also have the flexibility to operate in any position, in an open or enclosed fixture, without reducing lamp performance. They offer superior color rendering with warm tone lighting that reduces glare and eyestrain.
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