Dust Mask: FFP1, FFP2, FFP3, N95, N99 etc without active carbon, with valve Dust mask:Standard: European: EN149: FFP1 FFP2 FFP3 American: NIOSH: N95 N99 FDA Austrilia: AS/NZS: 1716:1994 Japan: DS2Specification: without active carbon with valvePacking: 12 pcs/ box, 240 pcs / CTN