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Universal Core and Coil Ballast Kit for 400W Metal Halide Lamp 120V to 480V | M400ML5AC4M500K | Bulbs.com
Universal Core and Coil Ballast Kit For 400W Metal Halide Lamp 120V to 480V | P400ML5AC4M500K | Bulbs.com
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Sylvania 47132 M400/MULTI-PS-KIT Magnetic Metal Halide Ballast Kit 400 Watt Pulse Start Multi-Tap 12 | Energy Avenue
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Hydro Crunch 400-Watt Digital Dimmable Ballast 120/240-Volt for Grow Lights C02A011050 - The Home Depot
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WIDELITE 400-PBM-120/240 AUTOTRANSFORMER BALLAST 400 WATT 120/240 VAC | eBay
Metal Halide Ballast 400w
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ADVANCE 71A6092AEE METAL HALIDE BALLAST 400W M135 M155 120-277V | eBay
400W Metal Halide Digital Ballast - Bulk Reef Supply
