KN95 for civilian use

KN95 often  used by people during epidemics for  stopping being affected by viruses from epidemics ,2 layers of  meltdown fabrics,2 layers of pp,1 layer of hotair cotton.It is durable and works very well.With face shield,eye goggles,hand sanitizer  can better  protect ourselves. Item KN95 PROTECTIVE RESPIRATOR Material pp,meltdown fabric Standard En149-2001+A1-2009 Features Safety,comfort,convenience and economy Sample Free of charge Product...