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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 belowOEL* (hygrogen fluoride, chlorine, hydrochloric acid,etc ...), offers reduction of the nuisance due to odours• FFP2 filtering rate