Disposable throw away Non-Woven dust mask 1. materail : non-woven 2. the weight from 100g/squar to 200 g/squar 3. conforab Disposable throw away Non-Woven dust mask 1.Disposable,lightweight ,odorless ,fiberglass free ,non-irritating to the skin,soft flexible nose bridge for a custom seal ,protection against non-toxic particles and nuisance dusts ,such as builders ,workshop ,cleaning ,pollen, ...
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