Type IIR Masks guarantee you the ultimate protection as they conform to EN14683 CE Standards and have a splash-resistant protective layer to provide a barrier against blood and bodily fluids.Dimensions : Length - 175 +/- 5 mm, Width (pleated) 90 +/- 5 mm, Width (Total) 170+/- 5 mm 50 Masks Per Box 2 Year Shelf Life Product Classification: Medical device acc. to MDD 93/42/ EEC Material : 65% Spun bonded non-woven, 35% Melt-blown non-woven, Latex-free, Fibreglass-free. Bacterial Filtration Efficiency (BFE) 98% (%) Differential pressure (Pa/cm²) < 60 Splash resistance (kPa) 16,0