.BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PlugFlowPipes.TransportWaterAir.MediumA .BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PlugFlowPipes.TransportWaterAir.MediumAMedium in the duct
package MediumA = IBPSA.Media.Air(extraPropertiesNames = {"CO2"});