PM2.5 filter inserts for our handmade face masks. These filters should be changed out about once a week. Depending on how often you use your mask, you may be able to use it longer.
Dimensions: 3.25" x 5"
** These masks are not intended to replace surgical masks or N-95 respirators. The CDC is advising the use of cloth face coverings to slow the spread of the virus and help people who may have the virus and do not know it from transmitting it to others.**