Bulk PM2.5 Activated Carbon Filter Mask Inserts 5 layers - 100 Pack Quantity:500 Pieces Holo One is far beyond

Holo One is far beyond being "just a cool thing"

No Individually Packaged

Choose excellence for your business card needs

Sizes: Comes 1/2 Inch

Application: In the restaurants

Bulk PM2.5 Activated Carbon Filter Mask Inserts 5 layers - 100 Pack Quantity:500 Pieces Holo One is far beyondBulk 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