KN95 mouth masks are certified and meet the health requirements according to the European standard. They are intended for single use with a duration of use between 4 and 8 hours.
There are 10 mouth caps in a pack. You can only order per package. The stated price is per pack of 10 pieces.
CE certified KN95 mouth mask
PFE (Particle Filtration Efficiency) & BFE (bacteria filter efficiency) of at least 94%