FIELD: cleaning of air in working zone. SUBSTANCE: respirator has filtering material positioned at outer side of air-permeable face part and carcass material positioned at inner side of face part. Ratio of filtering and sorption material thickness is 1:1-3. Headband fastening device is made in the form of flat projections. Ratio of lengths of projection and smaller axis of face part is 1:1.75-2.45. EFFECT: increased efficiency and improved quality of air in working zone. 3 dwg
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