Hyper Fan Temperature Speed Controller (18/Cs)
The Hyper Fan® Speed Controller is extremely easy to use. Set the two dials and you will have complete control of your environment. The Hyper Fan® Fan/Controller combo has the lowest energy use of any fan/controller system out today. The controller thermostatically changes the fans RPM/Speed as needed. For use with EC Hyper Fans only. All wire connections included.