Each set contains 2 additional filters. The MR-70 respirator protects the respiratory tract from radioactive dust and aerosols. Does NOT protect against poisonous substances. It consists of a rubber half mask, two filter boxes, two exhalation valves.
The respirator is placed on the face so that the chin and nose fit well into the rubber half mask. The straps are pressed against the head, one passing over the ears and the other below them. The replacement of the filter material in the filters is performed by the users of the respirator, after feeling difficulty in inhalation.