Venture 71144 150 watt GES-E40mm Tubular Metal Halide Lamp - Tubular (HIT) clear enclosed rated. White lux 4000k. 150 watt with a giant GES-E40mm cap. Can directly replace SON lamps of the same wattage that run from an external ignitor. 65 CRI. HIT 150W/U/LU/T46/4K 71144 Venture