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Special designed for plant growth: Designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum and high PAR (photosynthetic active radiation) to stimulate flower growth and enhance fruiting
High lumen output: 400w, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
Extra-low lumen depreciation: Maintaining over 90% of initial lumen output after running for 6,500 hours
Note: Allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
iPower 400W high pressure sodium (HPS) bulb hydroponics grow light 2 PackThe HPS grow light bulb can produce a very balanced and efficient spectrum of lights, brings you the best yields in flowing, budding and fruiting. It emits a red/yellow spectrum that is among the most energy efficient sources of indoor sunlight and extends the growing season.iPower high pressure sodium HID light bulb is an efficient lighting solution for industrial applications such as warehouses, post top lights, and parking lots. It has a long life of up to at least 24,000 hours.iPower HID HPS bulb is ideal for use in security lighting, roadway lighting and warehouses.Benefits of HPS grow lights iPower HPS grow lights tend to be much more efficient than other alternatives and have a longer life span, saving you money on energy bills and replacements.Although they are about 30 percent more efficient than incandescent, much of the power consumed by an HPS lamp is lost as heat. Because these lamps do put out a lot of heat, it's important to keep them about 12 to 18 inches away from the plant.