System Air

This digital EC fan controller will provide you with ultimate control over your growing environment. By System Air .

This digital EC fan controller will provide you with ultimate control over your growing environment. This controller not only thermostatically controls your intake and exhaust fans, but intelligently responds to temperature changes. The "RTT" reactive temperature technology actively monitors and adjusts the fan speed. The EC fan controller can be coupled to a fan balancer to give you ultimate control over your intake and exhaust fans. Reactive Temperature Technology (RTT) is a completely new...