Cup disposable filtering face mask with exhalation valve, for protection against particles and solid or liquid aerosol. Adjustable nose piece and elastic head band. Exhalation valve reduces the accumulation of humidity and heat. Norms: EN 149:2001 + A1:2009. High protection: 99.97% ( N99 ) and ( FFP3 ) Protection: N100 ( FFP3 ) Minimum filter efficiency: 99.% Exposure limit fine particles up to 50xTLV Valve: yes
