Protective Grade : N95 Filtration Efficiency : 95%+ Examination Standard : NIOSH Standard Wearing Type : Ear Wearing Type (9501) Masks Shapes : Folding Package Included: (1 unit) —— N95 Face Mask N95 respirator can be used for the respiratory protection of certain particles, such as polishing, cleaning and handling of dust from mineral, flour and some other materials. It is also suitable for liquid or non-oily particles produced by spraying, which do not produce harmful volatile gases.It can effectively filter and purify the abnormal odors inhaled (except toxic gases), and help reduce the exposure level of some inhalable microbial particles.