SMSCOM Twin Fan Controller MK2 The SMSCOM twin fan controller Pro MK2 offers a great range of functionality for such a compact and cost-effective unit. The original SMS fan controllers have been used far and wide throughout hydroponics grow rooms up and down the country. Looking at the sleek design and the reliability they offer it is easy to see why. The Mk2 version of SMS twin fan speed controller builds on everything that made the original great, and sets it in a much more compact and attractive housing. Although it does use pulse width modulation to reduce the fan speed, it does not generate the same level of hum you would typically associate with these type of fan controllers. Control your grow room temperatures. Precisely controls fan speeds. Unique ‘motion flow’ technology. Controls intake and outtake fan at the same time. Easy to use, plug and play. High quality, reputable brand. Suitable for a wide range of fan types.
