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Whisper Quiet Operation: The system operates quietly
it fits out a full row of blue-stake feeds in one build
The EC-motor fan moves 807 CFM at 39 dBA and runs off a Controller 69 PRO
which is where most container crops take up nutrients cleanly
Prism Lighting Science 315w Ceramic Metal Halide CMH Remote Ballast 120/240v system accessories Whisper Quiet Operation: The systemA 315W ceramic metal halide ballast for CMH lamps The ballast drives a 315W CMH lamp on a low frequency square wave, the waveform Philips CDM bulbs need to hit their rated PAR output. It runs on variable 120 or 240V, drawing 343W with a power factor above 0. 95 and THD under 15%. Prism tuned it to match Philips CDM lamp specs, so it is a lower cost stand in with the same core functionality. Growers mount it remotely, away from the canopy, so its heat