>>2443201Adjusting nose wire and straps around your head. Good masks have stronger, adjustable straps which allow you to put one higher on the back of your head. If you wonder why masks which only filters 95% of particles leaving the smallest ones are so effective against tiny viruses it's because we inhale most viruses suspended in tiny water droplets. A mist we sneeze, cough out or even exhale. And those droplets are big compared to the dust those masks are designed to catch
