There's a GE Multi-Vapor lamp just right for your situation, and most require only a simple bulb change to revolutionize your lighting. This 320-watt GE PulseArc Multi-Vapor 19609 ED28 metal halide lamp features sparkling white light with an initial lumen output of 30,600 lumens and long life of 20,000 hours. This metal halide lamp is particularly suitable for commercial and industrial interiors, particularly in high ceiling areas. Please note that metal halide lamps cannot be operated without a ballast.
*Mercury containing products sold into the state of WA include an environmental handling charge of .25/each