Pay in 4 interest-free payments of $7.50 Learn more
Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Material: 100% cotton
Efficient respiratory protection: Filters 90% of particles in the air
No Individually Packaged
Holo One is far beyond being "just a cool thing"
which is very extensively used in families
Bulk PM2.5 Activated Carbon Filter Mask Inserts 5 layers - 100 Pack Quantity:500 Pieces Material: 100% cottonBulk PM2. 5 Activated Carbon Filter replaceable Anti Haze Masks Filter Protective Health Mask 5 layers Insert Filters 100 Pack 5 Layers Function: First layer: spunbond cloth, filter the dust of micron Second layer: to filter industrial pollutants, automobile exhaust, second hand smoke pollen allergies Third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns Fourth layer: filter density, smaller material Fifth