Facial filtering respirators to protect against solid (non-oil) and liquid (oil) volatile particles. With exhalation Valve. Double elastic with buttonhole allows to hang the mask to the neck when it's not worn. Aluminium adjustable nose piece welded with high resistance and internal Polyethylene (PE) Foam nose pad. Protection: N95 ( FFP2 ) Minimum filter efficiency: 95% Exposure limit fine particles up to 12xTLV Valve: yes Vertically foldable: yes