The PSS 1801+ certified COVID-19 protection mask provides effective respiratory protection, especially indicated for the fight against Covid-19. Highly recommended for jobs exposed to dust particles; non-volatile liquids and mists. It is also effective against bacteria, viruses, and fungal spores. This certified mask achieves a filtration of more than 95%. The KN95 filtering mask to protect against COVID-19 Molded shape, with nose clip and double adjustment band. Durable and warp resistant inner layer. Effective and reliable protection against fine particles. Not reusable. CERTIFICATE OF EXAMINATION EU TYPE N: 0370-4201-PPE / B issued by the Spanish Notified Body 0370 - LGAI TECHNOLOGICAL CENTER (APPLUS) REGULATORY This filter half mask is manufactured only for COVID-19 protection. It complies with the health and safety standards established in Regulation (EU) 2016/425, in accordance with the recommendation of the European Commission (EU) 2020/403 for use by healthcare personnel. As required by the World Health Organization recommendations, for this specific use, the nominal protection factor provided by this filtering half mask is the same as the nominal protection factor FFP2 defined in EN 149: 2001 + A1: 2009. This filter half-mask is not a filter half-mask for general use and will not be used for purposes other than protection against COVID-19 ". This model also complies with the GB2626: 2006 standard for self-filtering masks. TECHNICAL CHARACTERISTICS Size of the mask: 15 * 11.3 * 0.4 cm Weight: 5.60g Materials: NON-WOVEN 60 / FUSION BLOWN N95 25 / COTTON 60 / NON-WOVEN 50 Individually packed in boxes of 10 units. LIMITATION OF USE Time of use 8h.