12 рулонов / лот 36 шт. / рулон тренировочная маска рулоны слр практика щит одноразовый рот барьерная защита дыхательный фильтр первая помощ

specification: item name: cpr roll usage: training and teaching application: emergency use for mouth to mouth breathing material: pvc, pe size: 53x30x23cm face shield size: 32*19cm specification: 36pcs roll color: transparent description: each piece mask size:29.5x19cm, there is a round size non-woven fabric membrane on center, it can resist water and saliva, but allow air ventilate. when use on emergency artificial respiration, this mask can prevent disease as aids transmit and i...