iPower 400W HPS Grow Light Bulb Lamp, Pressure Sodium Bulb Lamp with High PAR Enhanced Red and Orange Spectrums for Plants Growth, CCT 2100K

Additional Details from the Manufacturer

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More features

• High lumen output: 400 watt, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
• Special designed: 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
• Extra-low lumen depreciation: Maintaining over 90% of initial lumen output after running for 6,500 hours
• Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
• Note: Allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again