Adding one of our face mask filters to any of our face masks that include slots for optional filters increases the protection level of our washable face masks. Each filter includes multiple layers of protection (see inset photo for detail) including filtration for particles, as well as reducing intake of dust, pollen, smoke, and other particles effectively. One size filter will fit *either adult or child size masks that we sell that do include the filter slots*
PM 2.5 Filter refers to particulate matter that have a diameter of less than 2.5 micrometers, which is about 3% the diameter of a human hair.
Features - Usage
Suggested use - either continuously (inside mask) for 16-24 hours, or around 1 - 2 weeks of occasional use. Keep protected when not in use, do not get wet.
- Color: White. - Material: Fabric. - Size: About 12x8x0.1cm. - Powerful filter system consists of 5 layer filter material, effectively prevent pollutant like dust, small particle, PM2.5, fog from entering respiratory tract. - Can be easily inserted into washable face masks that have filter slot.