*THIS FILTER IS SOLD IN A CASE PACK. FOR ORDERING PURPOSES, 1 UNIT = 10 FILTERS. THE PM-25 FILTERS ARE TO BE USED ON THE CMK-4, CMK-5 & CMK-7 FACE COVERINGS. NOW AVAILABLE IN TWO SIZES. SIZE SMALL IS COMPATIBLE WITH CMK-4S.
PM2.5 activated carbon filters offer protection that’s practical – these disposable filters are flat, so they take up less space than standard respirators. Engineered for maximum filtration efficiency,
they can be used continuously for 16-24 hours or around one week of occasional use.