Control Freak 3 Amp Dynamic Frequency Fan Speed Controller Media and aeration

and aeration

Any competent person can have it running within half an hour

For growers processing small to medium harvests

Speed control

Control Freak 3 Amp Dynamic Frequency Fan Speed Controller Media and aerationControl Freak 3 Amp Dynamic Frequency Fan Controller Quiet, 90 Speed Fan Control Best for: growers running one or two extraction or circulation fans who want smooth, buzz free speed control with automatic temperature based operation. Our thoughts Most cheap fan controllers either buzz at low speed or only give you a handful of usable settings. Control Freak fixes both problems by adjusting the frequency of the supply rather than chopping the voltage,