Active Carton mask ,medical mask,face mask 1. 4-ply , with activated carbon and exhalation valve;2. packing: 20pcs/box, 20boxes/carton;3. Conforms international standards: En149:2001 FFP1 FFP2 CE 0194 AS/NZS 1716:1994NIOSH N954. Low breathing resistance with high filtration efficiency. Loaded polypropylenematerial without any toxic, irritating stimulant, poison. Adjustable nosepieceand inner foam provide a custom seal for different facial sizes.5. Easy-breathing exhalation valve with silicon piece inside designed to facilitateair exchange, increase worker comfort.6. Smooth outer cover, no slot. 7. Special 4-ply pleated design, high filtration and static electricity material,high efficient active carbon cloth to resist low toxic, pre-filter against nuisanceorganic acid vapors. 8. Suited to chemical, chemistry solution, printing ink, dyeing, aotu building, shipsbuilding, electronic, food, manufacturers, processing, environmental sterilizing,and worse workshops.

Active Carton mask