10pc Milleni PM2.5 Filters are the perfect accessory for your masks.
They are disposable and it's always handy to have extras available.
The filter element has 5 layers of protection, bringing you a safe breathing experience
Special 5-layer activated carbon filter can effectively filter haze, dust and other fine particles filter cannot be cleaned
Fits into the filter compartment of reusable masks
It is recommended to replace it once a week
Please note: reusable masks not included