Hyper Fan Temperature Speed Controller (18/Cs)
The Hyper Fan? Temperature 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 fan's RPM/speed as needed. For use with EC Hyper Fans only. All wire connections included.