The SMSCOM Twin Fan Speed Controller MK2 is a compact, software-controlled ventilation controller designed to manage both intake and extraction fans simultaneously. By automatically adjusting fan speeds in response to temperature, it maintains your preset grow room temperature and negative air pressure with precision — without manual intervention. How It Works Simply plug both your intake and exhaust fans into the Twin Controller MK2, set your minimum fan speed and desired temperature, and the unit continuously regulates both fans to bring your environment back into balance. Unlike basic fan controllers, the MK2 uses software-based control for accurate, stable temperature management and consistent negative pressure. Key Features Controls intake and extraction fans simultaneously from a single unit Software-controlled for accurate, stable temperature regulation Automatically adjusts fan speeds to maintain preset temperature Maintains negative air pressure in the growing environment Adjustable minimum fan speed setting Compact design – plug-and-play, no direct wiring required Available in 4.5A and 7A models About SMSCOM SMSCOM is a trusted name in grow room fan control, known for durable, accurate, and reliable ventilation controllers used in hobby and commercial growing environments worldwide.
