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Philips 426023 MH400 U ED28 400W ED28 Probe Start Metal Halide 4000K Mogul E39 Base Clear Reduced Outer Jacket Bulb M59 E (928601151303) nostock Sylvania MP100UMED 100W ED17 Pulse MORRIS 90914 Nora Josh LED Puck Tier10 Sylvania MP100UMED 100W ED17 Pulse Start Metal Halide 3000K Medium E26 Base Clear Bulb M90 O (64417) This programmed start ballast ensures smooth and consistent lighting