Cab heater for excavators, dumpers and tractors. Also suitable for rally cars, Land Rovers, drilling rigs, small handling or construction equipment. A connector is fitted for installation of an outside air suction duct on to a fan inlet. For an automotive installation, use the EVO1 ED4 Compact version with 4 air ducts and air vents.The diffuser outlets can easily be installed without tools, using the two lateral slides on the heater, with a clip holding them securely in place. Also available in an electric version for electrically-driven vehicles