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Very bad advice, as it's not applicable for valved respirators and not even warned. On these you need to inhale sharply to test.
At 0:04 it clearly states that this video is for this specific mask.
Not a 'respirator'. Its a filter.
Yeah language is a funny thing. You don’t park in a parkway either 😂.
It's a respirator en.wikipedia.org/wiki/Respirator
Very bad advice, as it's not applicable for valved respirators and not even warned. On these you need to inhale sharply to test.
At 0:04 it clearly states that this video is for this specific mask.
Not a 'respirator'. Its a filter.
Yeah language is a funny thing. You don’t park in a parkway either 😂.
It's a respirator en.wikipedia.org/wiki/Respirator