Igurishwa rya masike yo kurinda ibyiciro bya KN95 hamwe na CE, FDA na ISO bizarinda uwambaye 95% byimyuka yo mu kirere ifite diameter ya 0.3 mm cyangwa irenga. Iringana kandi nubuhumekero bwabanyamerika N95. Ubuhumekero kandi burasabwa na OMS kongera uburyo bwo kwirinda kwandura coronavirus.