For use with our #541 face mask. Non-woven, active carbon cloth filter. PM2.5, reduces dust, particulates and allergens.
Spunbonded cloth filters micron-level dust. PM2.5 (Particulate matter 2.5 microns). Conforms to standards GB2626-2006. Active carbon cloth filters atmospheric particulate matter. Reduces inhalation of particles such as haze, dust, pollen and motor vehicle exhaust emissions. Recommended to replace filter every 1 to 3 days, depending on use.
Fabric:Non-woven cotton
Size: One size (12x8cm)
