To add slicers to your example PivotTable, click anywhere on the PivotTable to select it, then from the Insert tab, select Slicer from the Filter group. In the resulting Insert Slicers dialog box, ...

Slicers are a good way to filter data in a Microsoft Excel PivotTable or PivotChart, but they take up a bit of room. By moving the buttons to the chart, you free room for more visuals.