HOW TO USE:
Step1: After washing your hands, Remove product from bag
Step2: Place the PM2.5 carbon filter pad in the mouth cover to prevent slipping
Material : Non-woven Cloth, Melt-blown cloth
Dimension:4.72" x 3.15"
1. When film or sticky sediment stains emerge, please replace the filter.
2. Filter insert cannot be cleaned and should be replaced everyday for getting best protection.