Flexit Temp heat distributor has been designed to distribute excess heat from a warm room to an adjacent cooler room. The fan has an integral thermostat, which starts up the fan at the desired temperature (18-36°). The fan is very quiet and has several settings to suit different needs. Can run continuously. Easy and flexible installation. Fits duct dimensions up to Ø125 mm. Can be controlled from the fan and from the included remote control.