PlantMax HPS Conversion Bulbs produce a warm Red Spectrum light for fruiting & flowering that allows you to use the same ballast/fixture for different stages of growth. PlantMax bulbs also have a much deeper and wider Enhanced Blue Spectrum than standard HPS bulbs. The Full Spectrum HPS conversion bulbs will bring you the Ultimate Yields at a great price.

400 watt HPS Bulb (2000k)
360 watt total output (40W used for ignition)
Universal Burning Position (Vertical or Horizontal)
High Output / 45,000 lumens
Brass Plated Mogul Base
Fits any 400 watt MH Ballast
Full 1 YEAR WARRANTY

*Note: Picture may not accurately reflect what bulb looks like.