This respirator is manufactured to European EN149:2001+A1:2009 FFP2 Standard, it is approved for use against hazardous solid and liquid aerosols, dust, mist and smoke. It is suitable for protection against harmful substances in concentration level up to 10 x OEL (Occupational Exposure Limit). Additionally, it has passed the optional Dolomite clogging test which offers excellent breathability in extremely dusty conditions with longer Single shift use. The mask is comfortable and durable throughout the whole shift.