Moisture-proof and breathable low-strength breathing: nano-film mask with its high uniform distribution and moisture-proof material characteristics, with higher gas permeability and moisture permeability, bring experience width adjustable users more comfortable breathing, No ear: adjustable settings, long-term wear wearing the noble face, strengthen the users comfort experience. with a plastic nose clip, fit the face: the nose nose beam band can be adjusted freely according to the size of the nose, shaped to the face, to wear comfortable, to protect the safety of the safety: new Nano film protective mask, Precision, edge trace pin, can satisfy functional use, pay more attention to detail, ask you comfortable experience can replace the cotton bag filter: the side of the mask has another filter cotton bag, such as due to misunderstanding or repeated number of times, it can be used to reduce filtering, and can be used in the replacement filter (in this link without filter) Water washing can be reused: Due to the nanosome mask compared to ordinary non-woven fabrics, Sex and moisture breathability are stronger, the useful life of nano-thin masks is also longer, which can be reused . by