- Made in the USA
- Individually tested before they ship
- Are individually tested before they ship.
- Feature a one-year warranty.
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Ushio Opti-Blu MH 600 watt / 1000 Watt lamps with Maximum output in both BLUE and RED spectrum. Optimized for Maximized Branching and Vegetative Growth, and added Red spectrum for Flowering Efficiency. Outperforms standard MH lamps. Conversion lamp designed to run on ANSI coded HPS ballast.