Paire de filtres de rechange A1P3

This product is stored at temperatures between +5°C and +25°C with relative humidity less than 70%. It has a storage life of 5 years from manufacture (unopened). Usage duration varies based on contaminant concentration, exposure time, and respiratory flow rate. Its use is prohibited in oxygen-poor atmospheres (<17% O₂) or where non-filterable gases/vapors are present.