RAM Variispeed Fan Controller
Mantaining a good environment is the most important part of any grow room. Being able to decrease  fan speed can be a key part  in this especially in the cooler months. 

The Varispeed Fan Controller is an affordable and effective way to control your intake or outtake fan speed giving you more control over your growroom temperature.

How to use
Simply plug the fan into the controller, plug the fan into the wall and then adjust the dial  accordingly.

  • Up to 300 Watt
  • Or up to 8 inch wooden box fan
  • Suitable for all RVK fans
  • Better enviroment=More yield
Weight 1 kg
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