Designed to be used with non-medical Face Masks. Standard disposable PM 2.5 activated carbon filters offer 5 layers of filtration protection. Due to the nature of these products, they are non-returnable.
- Package includes 10 replaceable mask filter inserts
- Not washable
- Last 16-24 hours
- Compatible with most kids and adults standard masks
- Dimensions: 4.70” x 3.15”