Sylvania's (64034) M400/U/ED37 Metalarc metal halide lamp with a mogul base is an energy efficient source of white light. Illuminates with 32,000 to 36,000 lumens of brilliant 4000k light. Long life, lasts up to 15000 to 20000 hours.
Metal halide bulb is perfect for use in enclosed luminaires at your car wash. 450 watt bulb, produces 32000 to 36000 lumens at 4000K color temperature. ED37 shape with M58 ballast, for unique fixture needs!