PM 2.5 Face Mask Replacement filters, 5 Pack
These disposable filters can be inserted into any face mask that has a filter pocket. Pair them with your favorite National Gallery of Art masks!
These disposable filters can be inserted into any face mask that has a filter pocket. They cannot be washed and should be discarded after a certain amount of use. If worn casually, such as on occasional trips outside the home (e.g., shopping), they can be used for one to two weeks. If they are worn continuously for long periods, they can be used for 16–24 hours maximum.
- Carbon filter PM 2.5 for fine particulate matter up to 2.5 micrometers in size
- 1–2-week casual wear period
- Not machine washable