高性能活性碳防护口罩 WILLSON 5240M/L-OV • 在OEL规定允许暴露值以下,能够降低有机气体气味 • FFP2的过滤效率 • In case of exposure to levels of organic gases and vapours below OEL*(methyl-ethyl-cetone, glutaraldehyde, etc ...), offers reduction of the nuisance due to odours • FFP2 filtering rate