These filters do not block airborne coronavirus particles. They do add an additional layer of protection to your standard cotton masks recommended by the CDC for the general public.
Please understand that our face mask covers are not a replacement for medical grade PPE (Personal Protective Equipment), and in circumstances where medical grade PPE is recommended, you should consult a health care professional. Please remember that use of this face mask cover is not intended to replace other recommended measures to stop the community spread of COVID-19, such as social distancing, washing your hands and refraining from touching your face.
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