Sylvania Grolux 400W

A 250W lamp suitable for both growing and flowering stages.Stimulates photosyntesis due to the emitted blue light.

• Patented arc tube delivers highest photosynthetic efficiency of any lamp in the world
• Performance maintained at an exceptional level due to improved structure of outer bulb
• Optimised for the highest Phytolumens or PAR output
• GroLux light spectrum maximises red output essential for plant growth
• Industry leading lumen maintenance of 95% at the end of life
• Suitable for a plethora of applications related to plant growth