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GrowBright Fan Speed Controller
GrowBright Fan Speed Controller
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The GrowBright variable speed blower controller allows you to vary the speed of your high-velocity inline duct fan. Dial in the appropriate setting for your needs to increase ventilation efficiency. Also useful for reducing noise, and fine-tuning carbon filter systems. Grow Bigger – Grow Better – GrowBright!

*For use with high-velocity fans only.

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