Product Name: 5-Ply N95 3D Dust Face Mask Without Breathing Valve Filter Rating: N95/KN95/FFP2 Material: Non-Woven Fabric Mask Application: Security Mask Color: White Mask Type: Shade-Type Shape: Dust Mask Transport Package: 2PC/Bag, 80bags/CTN Specification: 24.5*10.5cm Origin: China HS Code: 62101090 Product Description KN95 N95 ffp2 ffp3 dust mouth pollution face mask disposable with 5 layersProduct Type:5Ply Earloop Supplies Non-woven Respirator Work Dust Disposable Face MaskColorWhiteMaterial:5 layers non woven + melt blownStyleHead-wearingPackage:Paper package or custom packageFiltering Rate≥95% (0.075μm Particles)NoteChinese KN95 equals American N95The Difference Between KN95 and N95:1. Differences between certificate authority: kn95 is certified by Chinese standards and meets the requirements of Chinese GB2626standard. And N95 is NIOSH certified2. Same protection level: filtration efficiency of all non oil particles is more than or equal to 95%Features:1. Disposable KN95 masks, breathable, anti dust, sanitary and convenient for using2. 95% filtration, a 360-degree three dimensional breathing space, provide anti-bacterial and anti-dust protection for you3. Made of high quality material, safe, soft and comfortable, reduce skin irritation4. High elastic rubber band, absorb sweat and not tight5. Folding thin section, lightweight and easy to useThe n95 mask is not a disposable mask. In this special case (resource shortage), it can be reused. But there are conditions:1. When n95 receives contamination such as saliva, blood, tears and other body fluids, it must be replaced2. The user obviously feels that the breathing resistance is greater than before and must be replaced3. Masks are damaged and must be replaced4. It is recommended to replace it after using it 4 times.However, masks cannot be reused if people go to the hospital, come into contact with an infected person, or are suspected to beinfected.5 Layers Filter function:1.The first layer: spunbond cloth, filter the dust of micron2.The second layer: to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies3.The third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns4.The fourth layer: filter density, smaller material5.The fifth layer: Spunbond cloth, filter out all kinds of harmful substances;