FIELD: medical engineering. SUBSTANCE: this mask made of textile material (babric) incorporates central protruding portion having central opening having peripheral bead to which are attached reticular perforated heat-capacity envelopes on either inner or outer side by fleecy fabric fasteners. Mask attachment members making up two strip pairs, that is, four-tailed bandage that provides fastening to head. EFFECT: design of fabric mask permits easily folding and carrying it; detachable inserts, that is, perforated envelopes allows varying degree of recuperation and thermal treatment of air. 5 cl, 6 dwg
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