Ushio US5001671 Enhanced Performance HPS Lamp, 1000-watt, Opti Red
400, 600 & 1000W Super high output MH with maximized output in both blue & red spectral range. Outperforms standard MH bulbs. Conversion bulb to operate on ANSI coded HPS ballast. Optimized for maximized branching & vegetative growth & added red spectrum for flowering efficiency.