SPC 28A Fan Controller

The SPC is a twin fan controller that automatically adjusts the speed of inlet and exhaust extraction fans to maintain a set temperature. It is the perfect controller for mid to large sized grow rooms. There is no need to adjust the speed of the fans yourself as The SPC will do this for you automatically. The SPC gradually increases and decreases the fans speed in perfect synchronization so you will always have negative air pressure inside the room as wel..

£440.95