To me I just don’t see how this would work or filter anything. So it 95% is blocked, then 5% of the particulate will pass through the filter and cause harm. It’s like saying you are on a submarine and saying it’s 95% sealed. Then the rest would fill up the submarine then you’d end up dead. Is there something else I’m missing here?
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If you were going to be sprayed in the face with poison, would you prefer a full dose of poison or only 5% of the full dose?
Just because it’s not a complete solution doesn’t mean it’s worthless. The same way that helmets and seat belts decrease the chance of severe injury or death on bikes and in cars, but don’t make you invulnerable.
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