Reusable cotton face mask with valve anti dust PM2.5 activated carbon filter washable cotton face mask is our hot sell masks now.
Our mask use pure cotton material, it is breathable. The nose clip and ear straps are easy to adjust. The use of our breathing valve mask is comfortable . Each mask has two filters, it contains activated carbon layer and filter cotton, which can better prevent pollution.
One masks can be used for many times and you just need to change the PM2.5 activated carbon filter every 3-5 days.
1. The first layer: spunbond cloth, filter the dust of micron
2. The second layer: to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies
3. The third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns
4.The fourth layer: filter density, smaller material
5.The fifth layer: Spunbond cloth, filter out all kinds of harmful substances;
6.Application: hospitals, out, site, tourism, colds, operating workshops, farms, haze weather, cold and warm