KN95 mask The mask is used to protect the upper respiratory tract against solid and liquid particles Masks increase antibacterial and antiviral protection High comfort of use One size fits all Flexible rubber bands ensure a good and secure fastening KN9 masks with the filter are an effective protection of the face and upper respiratory tract against smoke, dust and microorganisms. They prevent the spread of germs and protect against harmful particles and allergens in the air. At the same time, they are comfortable to use. Thanks to their light construction and made of a material that is pleasant to the skin, wearing them is not bothersome and does not cause great discomfort. The edges adhering perfectly to the face provide high protection.