Metal Halide Replacement Chart: Industry MH100/U/MED Philips MH100/U/M Sylvania MH100/U/MED Venture MH100W/U Iwasaki M100X/U/MED Eiko MH100/U/MED Metal Halide bulbs are a member of the High Intensity Discharge (HID) family of lighting products. Metal Halide bulbs are among the most energy efficient sources of white light available today. These 100 watt metal halide bulbs feature special chemical compounds known as “Halides” that produce light in most regions of the spectrum. GE Metal Halide light bulbs offer high efficacy, excellent color rendition, long service life and good lumen maintenance. Because of their numerous advantages, metal halide HID bulbs are used extensively in outdoor applications and in commercial interiors. These GE MVR Metal Halide lamps employ an E26 medium base and are designed with an ED17 bulb. GE MVR100/U/MED (12652) - 100W Metal Halide, Universal Burn, E26 Medium Base Lamps are intended for use in enclosed luminaires. Initial Lumens 8,100, Mean Lumens 5,800, Rated Average Life 15,000 Hours. This MVR100/U/MED bulb functions on the ANSI Ballast Type M90/E.