That was actually the procedure for doing a seal check, not a fit test.This is how to do a fit test (assuming you have a test kit):https://www.youtube.com/watch?v=Syj_zeNtLGI
That was actually the procedure for doing a seal check, not a fit test.
This is how to do a fit test (assuming you have a test kit):
https://www.youtube.com/watch?v=Syj_zeNtLGI