these people are ALL liars. we HAVE the data now after TWO YEARS of wearing them and all that. they do NOTHING. the ONLY ones that may do something is an actual n95 with very tight snap back elastic straps that completely seal your mouth and nose from the outside world.
these people are ALL liars. we HAVE the data now after TWO YEARS of wearing them and all that. they do NOTHING. the ONLY ones that may do something is an actual n95 with very tight snap back elastic straps that completely seal your mouth and nose from the outside world.
everything else does nothing