Moulded filtering half-mask UNIXAir 611 FFP1 R D with additional protection against gases and vapours without exhalation valve.
The half-mask is designed to protect human respiratory organs from inorganic gases and vapours and acidic gases and vapours at concentrations up to 1.5 MAC.
The half-mask is operable in the temperature range from minus 30 to plus 70 °C.
The volume fraction of free oxygen in the working area air should be not less than 17% and aerosol concentration not higher than 100mg/m3 for low protection efficiency..
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