Philips 140987 High Intensity Discharge High Pressure Sodium 400-Watt ED18 Mogul Base Light Bulb

Philips 400-Watt HID High Pressure Sodium light bulbs offer premium light quality and energy efficiency Ideal for use in parking lots, dusk-to-dawn fixtures, roadway lighting, and industrial and commercial applications Medium Base ED18 Shape C400S51 for use on ANSI S51 ballastYou may also like Philips 24" 17w T8 Cw Led Tube 590562 Pack of 10.