✅ 20 PCS Face Mask Reusable Activated Carbon Anti PM2.5 with Filter

Description

NEW BOX - 20 pcs
1.The first layer: high efficient filter cloth filter the dust of micron.
2.The second layer: meltblown cloth to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies.
3.The third layer: high efficient filter cloth filter benzene and a smaller function of filtering dust microns.
4.The fourth layer: activated carbon cloth filter density, smaller material.
5.The fifth layer: spunbond cloth, filter out all kinds of harmful substances.
6.The sixth layer: spunbond cloth