3-layer mask
Cotton outer layer
Second layer of microfibre to filter out larger particles
Airy cotton inner layer for a more pleasant contact with the skin
Removable PM2.5 filter (Filtration of particles down to 2.5 microns) slips in between the 2nd and 3rd layer.
Metal nose band to seal the mask at the nose
One size fits all thanks to adjustable elastic fasteners behind the ears
1 filter sold with each mask (lasts about 15 days depending on air pollution conditions before needing to be changed)
Packs of 10 filters sold separately
Mask delivered in an individual bag