The half-mask is designed to protect human respiratory organs from various types of aerosols, dust (mineral, metal, animal, vegetable, synthetic detergent dust, etc.) in the air of the working area. The half-mask is used in climatic zones IV (1) - IA ("special") at ambient temperature from minus 10C to plus 40C.
It is forbidden to use the half-mask for protection from gases and vapours of harmful substances, aerosols of organic solvents, easily ignitable and highly toxic substances. The half-mask can be used continuously and periodically.
When putting on again, special attention should be paid to maintaining the integrity of the components, cleanliness of the inner surface of the half-mask.
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