To Modify the Size or Subtype of a Duct Fitting

  1. Select the duct fitting and click the image in the Properties palette.
  2. In the Select a Part dialog box, modify the fitting:
    To modify… then…
    the part subtype (for example, change a mitered elbow to a smooth radius elbow) choose the Subtype in the Subtype drop-down menu. In the Select a part catalog, select a differrent part subtype.
    Note: You cannot change the type of part, for example, change an elbow to a tee. To replace the part with one of a different type, erase the part and add a new one.
    the part size select a different part in Select Part Size.
    the type or size of the connection points modify the values for each connector in the Filter menu..