Metal Halide Replacement Chart: Industry MH70/U/MED Philips MH70/U/M Sylvania MH70/U/MED Venture MH70W/U Iwasaki M70X/U/MED Eiko MH70/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 70 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 MVR70/U/MED (12590) - 70W Metal Halide, Universal Burn, E26 Medium Base Lamps are intended for use in enclosed luminaires. Initial Lumens 4,700, Mean Lumens 3,000, Rated Average Life 12,000 Hours. This MVR70/U/MED bulb functions on the ANSI Ballast Type M98/E.