Package of 10 filters for non medical reusable face masks.
5 layer PM 2.5 filters may help to increase filtering performance of non-medical cloth face masks. They fit easily into the pocket of our Adult Cotton made in Canada face masks. PM2.5 mask filter is made from activated carbon filter and two layers each of non-woven and melt blown cloth.
Do NOT wash.
Filter insert can NOT be cleaned and should be replaced every week.
Please replace filter when film or sticky sediment stains emerge.