N95 Mask standard is one of nine protection level which edited and certificated by NIOSH(National Institute for Occupational Safety and Health) for particulate respirators. Only the respirators/mask meet N95 standard and certified by NIOSH can be called NIOSH N95 mask. “N”means used for against particulate aerosols free of oil. “95”means it filters at least 95% of the particles at aparticle size of 0.3 micron
N95 Mask specification
1、100% Cotton
2、5-Layer Face Mask : WWDOLL 5-ply KN95 face mask is protective and high filter efficiency. The outermost 1 layer non-woven fabric can filter large particles, middle 2-layer melt-blown fabric can block more than 95% particles, 1 layer hot air cotton can filter pm2.5 and the innermost 1 layer non-woven fabric is skin-friendly and softer that give you the comfortable usage experience at the same time it protects your breath with high filter efficiency.
3、3D Design : The 3D shape of KN95 mask is designed according to the human face shape to ensure the tightness, to fit the human face, to increase the breathing volume when use the face mask. Our WWDOLL breathable face mask KN95 can greatly improve the permeability, and to make wearing and exhaling more comfortable
4、Powerful Protective Barrier : Not easy to drop, no need to adjust it when you work. Softer elastic ear loop design of the KN95 face mask helps eliminate pressure on the ears for comfortable experience. Adjustable nose clip design can help the mask perfectly attach onto your face. The four sides join tightly to the face; Hence, the protective mask KN95 avoids unfiltered air directly entering into.