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MAGNETEK BALLAST M400MLTAC4M-500K Ballast Metal HALIDE KIT, Discontinued by Manufacturer, UL and CSA Listed, ANSI: M59, 400W, Volts: 120/208/240/277VAC, MIN. Start Temp: -22' F, Circuit: CWA: Amazon.com: Industrial & Scientific
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Halco M59/400CWA/5T/K Metal Halide Ballast Kit, 400W M59, Mh, 120/240/277/480V - High Intensity Discharge Bulbs - Amazon.com
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Plusrite 7270 - 400 Watt - Metal Halide Ballast - 5 Tap - ANSI M59 - Power Factor 90% - Max. Temp. Rating 212 Deg. F - Includes Oil Filled Capacitor and Bracket Kit - High Intensity Discharge Bulbs - Amazon.com
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