VIVOSUN 400W HPS Grow Light Bulb
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About this item

  • VIVOSUN 400W HPS Grow Light Bulb
  • 400W VIVOSUN HPS bulb is compatible with electronic and magnetic ballasts, 55000 Lumens, E39 Base.
  • Optimized 2100K 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 5,000 hours.
  • Startup Time: Allows 2-3 mins for full bright. After power off, do please wait at least 5 mins before striking again.
  • Lifetime: 24,000 hours.

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