Grower's Choice ROI-E680S Review and PAR Testing
The E680S is a passively-cooled, bar-style, plug-and-play, commercial-grade LED grow light. The fixture is an updated version of the ROI-E680. The fixture design was modified, and it still looks different from the ROI-E200, ROI-E420, and ROI-E720, which all have a similar build.
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