You are not that. Feelings come and go like the tides. Think about something important, like a core value, and breathing notice how quickly perspective returns. Notice the Source. By noticing the source of anger, you can powerfully assert what you want changed, rather than be aggressive about what has to change, giving away power.
Filters are great for making our experiences more manageable in the moment.
When you penetrate anger, it often delivers something of far greater value than acting on the original impulse. See if you can identify any surprising origins. Your gut is telling you something, so your self-talk needs to be about finding that cause, and nothing else. Anger has a bad reputation, is often seen as a curse, something to get rid of. Suppressed anger can literally make you sick.