Quote from that article...
"f there are rubber bands that are totally unusable and they can’t be used at all, then of course nobody will use them," said Hakola. "That’s a bit like putting on leaky boots, walking into the yard in the rain, and saying that your feet are wet."
Not quite Nesa Supply Director Jyrki Hakola. 1 will get your feet wet and the other could give you a deadly virus.
Why not use the filter itself placed in a new mask cover?