Superprecise virus removing filter dust removing filter-and-superprecise degerming

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PROBLEM TO BE SOLVED: To provide a mask positively supplying warm vapor and even medicine vapor into a nose or a throat to impart moisture to an upper respiratory tract tissue. SOLUTION: This mask is incorporated with an exothermic body 10A. Preferably, the exothermic body 10A uses an exothermic body composition 11 containing metal powder, salts and water, and emitting the water vapor accompanying an oxidation reaction of the metal powder.

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