iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, 2-Pack, white
Brand: iPower
Color: White
High lumen output: 400w, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
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
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