Particle masks Premium, FFP3 R D, 3M, EN 149,2001+A1,2009, 5 unit(s)Particle masks Premium, FFP3 R D, 3M, EN 149,2001+A1,2009 Acc. to EN 149: 2001 + A1: 2009; for filtering out fine dust and non volatile liquid particles. 3M Advanced Electret Media (AEM) is a high performance filter material to facilitate breathing Consistently high filtering power Masks have passed the Dolomite dust test (D) and have an all round lip seal, allowing them to be worn for more than one shift Cool Flow exhalation valve prevents heat from