FIELD: life-saving.
SUBSTANCE: invention relates to face masks (gas masks and respirators) providing anti-aerosol protection of the respiratory and visual organs from various aerosols, including viruses and bacteria. The filter installed on the inspiratory line is additionally used for purification from biological aerosols along the expiratory line. A gas mask or respirator consisting of a mask, a filter installed on the inspiratory line, and a filter installed on the expiratory line, wherein the inspiratory and expiratory filters are combined into a single filter.
EFFECT: increased safety of the user and surrounding people.
2 cl, 3 dwg
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