Criterion Face Mask Earloop Type IIR Blue 50pk are Type IIR earloop face masks from Henry Schein with triple-layer, fibreglass-free material surrounded by soft, non-irritating, inner and outer facing. Suitable for PPE, infection control and examination use in dental, medical and clinical environments. Latex-free. BFE > 98% at 0.1 microns. Differential pressure < 49pa/cm. EN 14683 Type IIR.