FILTERSIMILAR lets you filter a selection set based on your initial selection and the Settings on the Dialog Box.

 You will be prompted for initial selection or choose    Settings to open the dialog box;     Add new filtered objects to previous filtered selection;     Clear,      Retrieve, or     Delete a previous filtered selection.

 On the     Dialog Box Settings:

1) You can filter similar objects in any combination of the following:

Object, Layer, Color, Linetype, Linetype Scale, Lineweight, Object Style, Name, and Annotative Scale.

2) Additional Filter -     Rotation, Linear Measurement, Area, or Volume.

3) Filter Objects in either     Current Space, All Layouts, Entire Drawing, Selection on Screen.