Ushio HiLUX GRO Intense Double-Ended High Pressure Sodium (HPS) Lamp, 1150WGet the best of Japanese technology with the Ushio, which sells specialty grade lights that maximize profit and growth. You get a high pressure sodium plant which maximizes the growth of plants. The grow light has been designed for turf lighting and professional greenhouses. The grow light is the best in class and delivers photosynthetically active radiation. HPS Grow Light: The warm light emitted by the high pressure sodium bulbs stimulates plant's