These are great and can used with your homemade masks as well! They are not guaranteed to protect against COVID-19.
1. Material: Anti-sticking cloth, melt-blown nonwoven, SY-TB
2. Uses: anti-odor, anti-dust, anti-gas, anti-, anti-PM2.5.
3. Scope: dust masks, self-use masks, beauty salons, pet shop masks, factory masks, food processing masks, environmental cleaning masks and other protective dust can be placed.
4.The mask filter provide comfortable protection for people. It is suggested to replace the fliters every week of uses for the best effect.
Filter function:
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.
Specifications:
Type: adult, child
Color: white
Material: non-woven fabric， meltblown cloth, activated carbon cloth
Measures 4.7” x 3.15”