pm2.5 filter meltblown cloth carbon filter anti haze anti-bacterial mouth mask anti dust mask filter health care

1. material: 2x pp anti-sticking cloth + 2 x meltblown cloth + 1 x activated carbon cloth 2. uses: anti-odor, anti-dust, anti-gas, anti-bacterial, anti-pm2.5 allergies,smoke,pollution,ash, pollen; 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.