820

451 29 抛弃式口罩 带阀

2017/9/28

2

451 29 抛弃式口罩 带阀
过滤效率:≥ 95%
材料:N95过滤棉,3层网布
呼吸阀设计,降低呼吸阻力
包装:25只/盒, 20盒/箱
Filter efficiency:≥ 95%
Material:three-layered N95cotton filter,with
exhalation valve.
Pack of 25 pieces