PACK OF 3 FILTERS

Pack of 3 PM2.5 Filters

-suitable for any type of mask

-each filter lasts up to 9 or 10 days (moderate use)

-anti-virus, anti-odor, anti-dust, anti-pollution ashes & polen

-first layer: non woven

-second layer: melt blown fabric

-third layer: activated charcoal

-fourth layer: melt blown fabric

-fifth layer: non woven fabric