Gavita - Master Controller EL2F Gen2 UKOverview Gavita Master Controller EL2F Gen2 optimizes the ventilation and lighting conditions in your growroom. The unit's efficient algorithms control the environmental conditions to maximize your crops' growth. The controller can fine tune up to 80 Gavita lights, 8 EC fans, and it can also connect to AC fans. Thanks to the event logging feature, you can check auto dims, temperatures, and auto shutdowns. In case of a power shutdown, the controller