USAGE: 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 personnel, etc. Design that allows a tight fit to the face, covering the nose, mouth and chin. The outer stitching without metal parts helps to make the fit more comfortable in adverse conditions. The nose clip helps to adjust it properly and, together with the soft inner pad, seals it to prevent glasses from fogging up. Dispenser of 50 units, in bags of 1. EN149:2001+A1:2009 STANDARD Respiratory protective devices. Filtering half masks against particles. Requirements, tests, 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 FFP2 NR self-filtering masks according to EN149:2001+A1:2009 Filtration Efficiency against NaCl aerosol and paraffin oil(%) > 94 Inhalation resistance at 30 l / min (mbar)