Can I wash the face mask?

Yes. They can be washed and dried with your regular laundry.

Do I wash the PM2.5 filter?

No. Please remove the PM2.5 filter prior to washing and drying. It is recommended to let the PM2.5 filter sit out in the sun for a short period of time to aid in disinfecting the filter.

How long do the PM2.5 filters last?

According to the MFG., each filter lasts for 50-60 hours if used for protection against allergens, pollutants, odors, etc.

Where can I buy more filters?

We have replacement filters available on our website in packs of 10,20,30,50 or 100.  Here is the product page link:  Replacement Filters.