高性能活性碳防护口罩 WILLSON 5260M/L • 在OEL规定允许暴露值以下,能够降低酸性气体气味 • FFP2的过滤效率 • Exposure to levels of acid gases and vapours below OEL* (hygrogen fluoride, chlorine, hydrochloric acid, etc ...), offers reduction of the nuisance due to odours • FFP2 filtering rate |