30PCS Adult PM 2.5 Activated Carbon Filter Insert 5 Layers Replaceable Anti Haze Masks Filter Paper

30 PCS Adult PM 2.5 Activated Carbon Filter Insert 5 Layers Replaceable Anti Haze Filter Paper
How To Use:
Step1:After washing your hands,take out the product.
Step2:place the PM2.5 carbon filter pad in the mouth cover to prevent slipping.
Step3:Install thePM2.5 carbon filter,fit your face and wear it correctly.
Filters Specification:
Material : Non-woven Cloth,Melt-blown cloth.
Dimension:4.72" x 3.15".
Note:
1. When film or sticky sediment stains emerge, please replace the filter.
2.Filter insert can not be cleaned and should be replaced everyday for getting best protection.