$ 11
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Description
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. Extra-low lumen depreciation: Maintaining over 90% of initial lumen output after running for 6,500 hours Exceptional bulb life: 32,000 hours. Note: Allow 3-5 minutes for full bright.
