Link4 Corporation iPonic 614 Commercial Single Zone Grow Room ControllerEverything you need for optimal zone control When it comes to your climate, you should be in control. And that is exactly what the iPonic Commercial allows you to do. This integrated contactor panel makes it easy to transition from the controllers and thermostats of the past and step boldly into the future where the climate can be finely tuned to your unique specifications. The Link4 iPonic Controllers come in 3 models: Commerical Series The iPonic