Pro Grow 620 W SE HPS 2 K Lamp 2 pack Features & Benefits PSI is

Features & Benefits PSI is a powerful version of stabilized

and the environment

If you believe there are imperfections on your glassware

Input Voltage - 6 Amp 220 V

yet it yields results that are far beyond what nature intended

Pro Grow 620 W SE HPS 2 K Lamp 2 pack Features & Benefits PSI isThe new Pro Grow HPS 620W & 1000W single ended lamps exceed the output of even the best European branded lamps. All Pro Grow lamps offer up rated components specifically tuned for use with high frequency digital ballasts. Improvements include monolithic arc tube construction, more robust frame wire material, extruded ceramic ark tubes (not molded) decreased frame wire thickness (for reduced shadow print) and low iron glass for enhanced UV penetration.