KN95 Built-in Exhalation Valve Masks – Black (10 PCS)
The KN95 exhalation valve mask can adjust the nose band to fit any face shape, easy to wear comfortable.
The KN95 mask with 1 exhalation valves remove carbon dioxide and excess moisture. Helps easy to breathe and remove water vapor.
5-layer filtered KN95 exhalation valve masks protect you and your family from viruses.
Each package contains 10 masks.