The new Pro Grow 620w and 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 extruded ceramic ark tubes (not moulded) decreased frame wire thickness (for reduced shadow print) and low iron glass for enhanced UV penetration. Grow like pro at half the price of equivalent Euro branded lamps (virtually all lamps brands are now manufactured in China)

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