High Intensity Discharge High Pressure Sodium, 50 Watt, 4000 Lumens (Initial) - B17, 1900K Color Temperature, 24000+hr Rated Life, Color Rendering Index: 22.

High Intensity Discharge High Pressure Sodium, 50 Watt, 4000 Lumens (Initial) - B17, 1900K Color Temperature, 24000+hr Rated Life, Color Rendering Index: 22.