Share Email Facebook Twitter LinkedIn Space.ActualReturnAirflow Property Get the Actual Return Airflow of the Space.Namespace: Autodesk.Revit.DB.MechanicalAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public double ActualReturnAirflow { get; }Property ValueDouble RemarksThis property is used to get the Actual Return Airflow (Unit: CFM) of the Space. See AlsoReferenceSpace ClassAutodesk.Revit.DB.Mechanical Namespace