A FFP2 equivalent washable, reusable 3-layer antibacterial mask with a middle layer of silver-coated nanofibers.
PM2.5 is really devastating for our respiratory tract as its small size ... especially when it comes to N95 or FFP2/FFP3 masks. There are numerous researches to prove the effectiveness of N95 ...
How Masks Protect Against Air PollutionMasks create a barrier that filters harmful particles and pollutants before they enter the respiratory system. High-quality masks, such as N95 and FFP2 masks ...