FIELD: personal demand items.
SUBSTANCE: filtering face respirator mask contains an attachment system and a mask basis containing the upper part and the lower part, separated by a dividing line, extending in the transverse direction through the central part of the mask basis, a filtering structural element, an upper segment of the internal perimeter of the upper part formed by a filtering structural element fold, a lower segment of the inner perimeter in the lower part, formed by a filtering structural element fold and a nasal groove in the upper segment of the inner perimeter of the above upper part of the mask basis extending from the edge of the upper segment of the inner perimeter and representing a space that does not contain material.
EFFECT: better convenience.
15 cl, 20 dwg
