FIELD: filters for breathing-protection purposes.
SUBSTANCE: respirator apparatus includes a respirator body, a filter cartridge receiver integral with and extending from the respirator body, and a filter cartridge. Filter cartridge includes a nozzle element being integral with the filter cartridge.
EFFECT: respirator body and filter cartridge are configured to be gas medium-coupled through sleeve-fit engagement between the filter cartridge receiver and nozzle element and the filter cartridge receiver and nozzle element define an airflow channel.
24 cl, 9 dwg
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