SA SHP-TS 600W / 400V GROLUX Designed to work with 600w /400v Ballasts.
These Sylvania Grolux 600W/400V HPS bulbs come with patented arc tube technology that delivers the highest rate of photosynthesis efficiency of any bulb in the world.
Tuned for the highest Phytolumens or PAR output. The Sylvaina GroLux light spectrum maximises the red output essential for plants.
The Sylvania GroLux is also an industry leader in lumen maintenance. With a whopping 95% even at the end of the bulbs life!
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