UVC PRO 159, the largest device, has a maximum flow rate of 140 m³ / h. UVC PRO 108, smaller in size, has a maximum flow rate of 50 m³ / h. By managing the device via APP, it is possible to program the sanitation cycles based on the size of the room. In any case, UVC PRO covers a room up to 50 m². In case the room is bigger it is necessary to install more devices. At least one every 50 m².