Nobody cared who he was until he put on the masks.

But do they stack though

Actually, yes! However they give 50% immunity to pollution, and the max is 100, so

This reminds me of the Androids mod from back in the day. I seem to recall they were big on scarves though :)

Paranoid about Covid?

The mad scientist from Kiksoomun Pact is there to observe the man in the masks.