Metal Halide (MH) Lamp, 400W, ED37, Universal
GE Multi-Vapor Metal Halide lamps feature sparkling white light, high operating efficiencies and long life. There's a GE Multi-Vapor lamp just right for your situation, and most require only a simple bulb change to revolutionize your lighting. Please note that metal halide lamps cannot be operated without a ballast. Suitable for open luminaires only if operated vertically +/- 15 degrees, provided the installation is not near people or flammable or combustible material; otherwise, this lamp must be operated in a suitably enclosed luminaire.