... good quality 3.lowest price 3ply nonwoven medical face mask 1.Material: first ply pp fabric 20g Second ply ... : BFE>99%,conforms to international standard: EN1492001, FFP1, FFP2.FFP3, CEO194, NIOSH N95,High filtration efficiencyProtection from pollen, dust, ... available Sample Available Customization:Available Dispoaable non-woven 3ply face mask,safe,comfort ,highly breathable,odorlessPP+MB+PP,with ties ...