Ge Current LU100HECO High Pressure Sodium Lamp, ED23-1/2, Mogul Screw (E39), Lumens 9,500 lmLU100/H/ECO

Features 

• HID and LED HID-replacement light bulbs have a mogul screw base, also called an E39 base.
• The E39 base has a 39mm diameter and screws into standard E39 sockets, which are typically found on enclosed fixtures.
• E39 mogul screw-base HID and LED HID-replacement bulbs produce a lot of light and are commonly installed in fixtures with a high mounting height, such as street lights, floodlights, and high-bay and low-bay lights in warehouses and convention centers.