GroLux 600w 400v dual spectrum bulb The Sylvania Grolux 600w lamp is a world renowned reliable, high performing lamp. It is the lamp of choice for growers who are looking for a lamp that will help produce high yielding crops at an affordable price. The Sylvania Grolux lamp has a broad spectrum output making it usable during veg and flowering stages. It produces 90,000 lumen’s output.
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