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*HPS Grow lights. High pressure sodium lights, grow light, grow lighting
*Initial Lumens: 55,000
*Color Temp.: 2000
*Glass Size: TD46
These lamps are red/orange in the spectrum. They are the best lamps available for secondary or supplementary lighting (used in conjunction with natural sunlight or metal halide lighting). This type of light promotes flowering, budding, and fruiting in plants. It is ideal for Greenhouses growing applications.