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ArishMell · 70-79, M
They won't give any protection (they are not designed to protect anything except the identity of the person daft enough to wear it).
I doubt very much the masks you most often see being worn, will either. A lot of them look like industrial and building-trade, dust-filters.
I doubt very much the masks you most often see being worn, will either. A lot of them look like industrial and building-trade, dust-filters.