USE: Protection against solid and non-volatile liquid particles. FEATURES: Disposable single-use masks with a recommended duration of 8 hours. Breathable, soft, and comfortable, allowing communication. Maximum protection with 5 layers. Suitable for multiple uses: General use, workers, waiters, athletes, office staff, etc. Design allows for a tight fit to the face, covering the nose, mouth, and chin. The external stitching without metal parts helps make the fit more comfortable in adverse conditions. The nose clip helps ensure a proper fit and, together with the soft inner pad, seals it to prevent glasses from fogging up. Dispenser of 50 units, in bags of 1. STANDARD EN149:2001+A1:2009 Respiratory protective devices. Filtering half masks to protect against particles. Requirements, testing, marking. Regulation (EU) 2016/425 of the European Parliament and of the Council of 9 March 2016 on personal protective equipment and repealing Council Directive 89/686/EEC and must have CE marking. TECHNICAL INFORMATION Self-filtering masks type FFP2 NR according to EN149:2001+A1:2009 Filtration efficiency against NaCl and paraffin oil aerosol (%) > 94 Inhalation resistance at 30 l / min (mbar)