PHILLIPS MASTER POWER CMH BULB 315 W / 3100 K

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3,100K color temperature Astounding PPF (Photosynthetic Photon Flux) 1.9 umols/s Unrivaled lumen/PPF maintenance of 90% at 8,000 hours Long life 20,000-hour rated average life Suit able for use in open fixtures Higher growth light compared to 400W HPS lamps 93% ballast efficiency can provide substantial energy savings Increased time between re-lamping cycles when compared to standard metal halide lamps Show more