Mask Filters (20 Pieces)

<p>This pack of twenty PM2.5 filters use activated charcoal to give your face mask even more filtering power! It makes filtering out germs exhaust pollutants and other harmful substances a snap and it fits easily into just about any face mask that has a filter slit. Filters are not washable.</p>

<p>Two filters per pack 10 packs per bag (20 filters total).</p>