One of these days; a few thousand Richard Dreyfuss types are going to remove their masks...
No, because you can wear a mask for more than 15 minutes.
If you don’t believe they work, then wear the same one. It sounds like you wear them once and toss them. That is OK, I guess. But you are spending a lot of money on something you don’t think works. Toss them on the car seat and wear them again.
I have one; a blue one upon which I have drawn Dracula teeth.
So far; any particles 'trapped' in it have not clogged it enough to make it impermeable.
One of these days; a few thousand Richard Dreyfuss types are going to remove their masks...