Mask Ratings - N95 vs FFP2 vs KF94 vs KN95
Aug 23, 2020·For this reason, N95 and KN95 masks are very slightly more effective than FFP2 and KF94. However, the difference is minimal and as the graph above shows, some FFP2 and KF94 masks can filter a significantly higher percentage of particles than 94%. If you are looking for certainty however, an N95 mask is the best. KN95 masks from China should ...