We recommend replacement of your mask filters at least every week to maintain the highest level of sanitation.
The provided PM 2.5 filters are not to be washed or reused, only the mask itself is washable.
DISCLAIMER: This face mask is not intended to act as a medical device or any other medical product, and we make no claim, either express or implied, that the cover prevents infection or the transmission of viruses or diseases. The face mask is not a substitute for professional medical advice, diagnosis, or treatment. If you have any specific questions about any medical matter, you should consult a doctor or healthcare provider.