KN95 is the same as that of N95 and FFP2.The filtration efficiency for non-oily particles above 0.075 microns PM2.5 such as spray,haze and dust must be higher than 95%.
This N95 mask is the best breathing mask that can be used all year round in any weather and protects you from fog, smog, dust, smells, germs, bacteria, viruses, vehicle exhaust gases, air pollution, allergens and PM 2.5 Moisture keeps you healthy and safe from many diseases.