Ultra Sun® MH 1000W BT-37, 4200K
Ultra Sun® Metal Halide - 4,200°K
Universal burn position. 4,200°K color temperature. Lamp has good spectral distribution. Emits the bluish and green regions of the light spectrum. Stimulates plant growth more efficiently than any other light source. Ultra Sun® lamps are high quality, feature robust construction and have excellent reliability at an economical price.