Luxrite LR20690 (4-Pack) LU70/ED17 70-Watt HID High Pressure Sodium Light Bulb, Warm White 2100K, 6300 Lumens, E26 medium base Color/Finish: Warm White Color Temperature: 2,100K Average Lifetime: 24,000 Hours Lumens (light output): 6300 E26 medium base