Class RbsDuctSizes being used to store the duct sizes
Namespace: Autodesk.Revit.DB.MechanicalAssembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2013
Syntax
Inheritance Hierarchy
System..::..Object
Autodesk.Revit.DB.Mechanical..::..DuctSizes
Autodesk.Revit.DB.Mechanical..::..DuctSizes