MASKERITA - surgical face mask - 3 non-allergenic woven-non woven layers - size 90x180 mm - weight 3 g - tensile strength extra-long lacets: 80 cm - comfortable, shapeable nose clip - filtering efficiency > 98% - resistance to breath <29,4 Pa/cm2 - does not contain glass fibres - does not contain latex - non sterile Box of 600 (12 packs of 50 pcs.)