Review on 🎤 BILIONE Disposable Microphone Sanitary Windscreen – 120 Pcs Clean Non-Woven Fabrics Mic Covers: Ideal Replacement for Most Handheld Microphones by Dale Toth

I am not a doctor or scientist. But take a commercially available cheap disposable face mask. These are given out in shops if you forget to take one with you. Form a small pocket and pour some water into it. Water does not seep through because the water molecules are too large to pass through the filter. what to do with it The water flows freely as if there were nothing. At best, they create a false sense of security. That alone can be problematic. As for hygiene. I think it keeps people who like to "eat the mic" (i.e. put their lips on the mic) away from it, but it doesn't stop spitting. Pooh!