Grolux 600w

Gro-Lux High Pressure Sodium 600W grow lamp Patented arc tube delivers the highest photosynthetic efficiecy Performance maintained at an exceptional level due to improved structure of the outer bulb, - Optimised for the highest Phytolumens or PAR output Industry leading lumen maintenance of 95% at the end of life For use as complete or additional artificial lighting of plants Recommended for use in greenhouses and indoor lighting.