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- For adults
- Dimension: 4.75" x 3.15"
- Made of activated carbon, non-woven fabric& melt-blown paper
- 5 layer filter system
- Compatible with most face masks
- Filter can not be washed
- Replace every 8 hours of wearing mask for best protection
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.