The 3-Layer Type I Disposable Hygienic Mask provides respiratory protection in the mouth and nose to minimize infectious contact. It constitutes a physical barrier to prevent the direct transmission of pathogenic microorganisms, body fluids, dust particles, etc. It prevents the transmission of infectious agents from the user to the exterior. This hygienic 3-layer disposable achieves a filtration of +/- 99%. Complies with GB / T32610 - 2016. Manufactured according to EN 14683: 2019 + AC: 2019. With report number 2020TM2365 from the Spanish accredited laboratory AITEX. With nose clip and double elastic band. Made of TST polypropylene fabric. REGULATIONS This hygienic disposable type I 3-layer mask is manufactured according to European standard EN 14683: 2019 + AC: 2019. of self-filtering particle masks. It provides the user with protection against solid and non-volatile liquid particles. This standard includes filter penetration tests; long exposure (charge); flammability; resistance to breathing and total inward leakage. TECHNICAL CHARACTERISTICS Mask size: 174 mm X 94 mm Weight: 3.12 g. Materials: Non-woven polypropylene (PP) and polyester (PET) Supplied in boxes of 50 units packed of 10 in 10 units. LIMITATION OF USE For single use only. Disposable. It is not airtight. Not sterilized.