single-use filtering half-mask x 100 v ffp1 nr dstandards and certificates pn-en 149+a1:2010ce 1437 certificate: we/s/1824/2011intended use the x 100 v ffp1 nr d filtering half-mask is intended to protect the respiratory system against solid particle aerosols water-based aerosols (dust smoke) and aerosols with a liquid dispersed phase (mists) for which the oel is ≥2 mg/m3 provided that the concentration of the dispersed phase does not exceed 4 x oel. example applicationsagricultural and food industry non-toxic dusts use in quarries cement plants wood industry for processing softwood (coniferous)in particular for dusts such as calcium carbonate natural and synthetic graphite gypsum chalk cement plaster marble zinc oxide plant pollencellulose sulfur cotton ferrous metal filings coal dust containing less than 10% free silica. contraindications this half mask does not supply oxygen. Does not provide respiratory protection in conditions of oxygen deficiency (below 19%).it should not be used in small spaces especially unventilated spaces such as canals manholes tanks etc.the half mask does not protect against contamination in the form of gas vapors and mists of substances harmful to health and hazardous to life.do not use if the type concentration and properties of the harmful substances are unknown. Do not use when extinguishing a fire.the half mask does not provide a tight seal if worn on an unshaven or bearded face. performance parameters of the x 100 v half-maskclass (according to pn-en 149+a1:2010): ffp1penetration of sodium chloride aerosol or oil mist through the filter material: 20%total leakage: 22%initial inhalation resistance at a flow of 95 l/min: 210 painitial exhalation resistance 160 l/min: 300 pacharacteristicsthe x 100 v ffp1 nr d filtering half-mask consists of:• multi-layer polypropylene filter material• nose clip for formatting the half-mask around the nose• headbands made of rubber threads in braid• plastic exhalation valve• polyurethane foam nose sealthe half mask is designed to allow easy breathing throughout the entire work shift.thanks to its anatomical shape nose clip and underlying foam the half mask is easy to fit to most face shapes to ensure the necessary tightness.