If you want the filters to affect clips that are all in one track you can add the filters to the trackheads themselves whether they are V1, V2, A1, A2, etc…
If the filters are spread on different tracks that you want to have affected then you can add the filters to the Master track head:
Simply select them like you would any clip in the timeline and just add the filters to them.
Then use the filter trimming tools to specify when you want the effects of the filters to start and end:
