It is a bit small in my reusable face mask, so I still use additional medical mask on top of it when I go outside. It is a good product though. I hope it is effective enough to filter the bacteria and virus.around. I also gave some to my friends for them to use.
It is a bit small in my reusable face mask, so I still use additional medical mask on top of it when I go outside. It is a good product though. I hope it is effective enough to filter the bacteria and virus.around. I also gave some to my friends for them to use.