1000w Red Sunset HOR Metal Halide Lamp Horizontal operation only. Pin must come to rest at the 9:00 position.Manufacture Code: SM.1000W.H37.3.2KInitial Lumens: 115,000Sunmaster lamps are tailored to promote optimum development at each plant growth stage. This Red Sunrise lamp has enhanced orange-red light for maximum flowering. This lamp requires proper horizontal positioning. The base has a pin that must rest at the 9:... — Ships from Portland, Oregon USA....more info.