Respirator "SPIRO-311 E" is a multilayer moulded half-mask of white colour with exhalation valve, nasal retainer, soft sweat-absorbing pad and headband tapes, covering the nose, mouth and chin of the user; it consists of layers of non-woven material outside and inside, a layer of high-performance filtering material. Designed to protect human respiratory organs from solid and liquid aerosols (dust, smoke, fog).
Filtering efficiency class FFP1 - low. The presence of the exhalation valve reduces the resistance to human breathing, avoids moistening of filtering and absorbing materials, provides use for a longer period of time.
Respirator is used as a means of personal protection for workers in industries with harmful working conditions, as well as in agriculture, pharmaceuticals, food industry, households. It is a reusable product for operation at the concentration of oxygen in the air of the working zone of not less than 17 volume per cent.
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