HPS PHIL/SYLV/GE LU250
250w HPS Lamp by PHIL/SYLV/GE LU250 These lamps are red/orange in the spectrum. They are the best lamps available for secondary or supplementary lighting (used in conjunction with natural sunlight). This type of light promotes flowering / budding in plants. It is ideal for Greenhouses / Commercial growing applications. Initial Lumens = 29,000. 1 Year Warranty. HPS or Switchable ballast ONLY.