The mask is composed of surface layer, filtering layer, inner layer, nasal splint and mask bandage. The surface layer and the inner are made of non-sticknon-woven fabric. The filtering layer is made of meltblown non-woven fabric. The nasal splint is made of bendable plastic. The mask bandage is made of plastic material such as non-woven fabric or rubber.
Filtering Category: 0.3um particle filtration≥95%
