Mask Accessory – 5 LAYER PM2.5 Mask Filters

• Five layers of PM2.5 air mask filtering
• Suggest replace the filters every week of uses for the best effect
• Filters Size:12x8cm/4.72”x3.15”

Material: Filters Cotton & PM 2.5 Activated Carbon Filter Insert

This filter with 5 layers filter design can isolate up to 99.5% of dust, pollen, hazardous chemicals, fumes, heavy metal particles etc. This replaceable filter is breathable comfort which keep the mask inside of the clean and extend the using time. Application: At home outdoor, hospitals, restaurants, on hazy days or in dusty air.