Sunlite 03610-SU LU70/MED 70 Watt HPS ED17 High Pressure Sodium Light Bulb, Medium Base, Clear Go to amazon.com Related posts Top high pressure sodium lamp Feature70-Watt; 6000 Lumens24000 Hour Average Lamp LifeED17; Clear FinishMedium Base; 5-4/9-Inch MOLLU70/MED DescriptionHigh Intensity Discharge - High Pressure Sodium, Medium Base LU 70W MED ED17 SHAPE