KN95 yog tus qauv Suav daim npog ntsej muag.

KN95 respirator yog ib hom kev ua pa nrog particle filtration efficiency nyob rau hauv peb lub teb chaws.

KN95 daim npog qhov ncauj thiab N95 daim npog qhov ncauj yeej ib yam ntawm cov particle pom efficiency.

KN95 yog Suav tus qauv npog ntsej muag, N95 yog US tus qauv N95 hom npog ntsej muag yog NIOSH (National Institute for Occupational Safety and Health) tau lees paub ib qho ntawm 9 qhov ncauj qhov ntswg tiv thaiv N95 tsis yog lub npe khoom tshwj xeeb. Tsuav nws ua tau raws li N95 tus qauv thiab dhau qhov kev tshuaj xyuas NIOSH, cov khoom tuaj yeem raug hu ua N95 daim npog ntsej muag, uas tuaj yeem ua tiav cov txiaj ntsig pom ntau dua 95% rau cov khoom siv nrog lub dav aerodynamic ntawm 0.075 m thiab 0.020 m.