EN 16573-2017, 3.1.1]:maximum of the removed or fresh air volume flow corresponding to the declared total pressure of the unit at the maximum setting, without any recirculation, for standard air conditions (20 °C, 101 325 Pa)[SOURCE: EN 13141-7:2010, 3.1.4, modified — The beginning of the definition has been redrafted and the expression “without any recirculation” has been added.]