• This bulb has a 4,200° K color temperature, an excellent CRI of 97.5, and a whopping 31,127 initial lumens.
• The 4,200° K temperature has very high PPF of 1.70 per second light source.
  
• Lamp has good lumen maintenance and excellent PPF performance throughout lamp life.
  
• Has a unique open-rated lamp construction including a ceramic arc tube contained in a protective quartz glass shroud with PGZX18 base which reduces radiant heat from the arc tube and makes these lamps suitable for open-rated fixture use.

Here at the Beneficial Living Center we have a great rotating stock of new and used grow equipment. Everything from Ballasts to Fans, Trays to Pumps, Controllers, Lighting and More! Contact us anytime and see if we have what you are looking for. Visit us at our store in beautiful Arcata, California!