10/20/30/50/100 PM2.5 Activated Carbon Filter Insert 5 Layers PM 2.5

The activated carbon filter 5 layers filtration Mask Replacement Filters air molecules larger than or equal to PM2.5 Filters particles including pathogens, dust, chemicals, & smoke Pack of 10 Pieces disposable filters Dispose daily to weekly depending on environment and usage Replacement filters for masks 1st layer Anti Sticking Cloth 2nd layer Melt Blown Filter Cloth 3rd layer Activated Carbon 4th layer Melt Blown Filter 5th layer Anti Sticking Cloth

10/20/30/50/100 PM2.5 Activated Carbon Filter Insert 5 Layers PM 2.5