Face mask PM 2.5 activated carbon filters with 5 layers. Free shipping.
This is a pack of 100, 50 or 25 PM 2.5 activated carbon filters with 5 layers. These filters make your mask more effective.
[MATERIAL] 5-layer filtration: Non-woven + meltblown + activated carbon + meltblown + Non-woven
[SIZE] 4.7/3.14 IN 12/8 CM
[PACKAGE] Included: 100pcs, 50pcs or 25pcs of PM 2.5 filters.