ushio america introduces a new de (double-ended) metal halide lamp to its hilux gro professional horticulture lamp line. the 1000w de metal halide lamp holds the highest industry quality iso 9001 standards with best-in-its-class reliability over lifetime.made in germany and designed for usage in open luminaries, the de metal halide lamp offers spectral distribution optimized for photosynthesis efficiency with par output of up to 1800 μmol/s, and is available in 5500k color temperature.