B2 Gas filter+P3 Particulate filter

B2+P3 set of filters in combination with a half-mask respirator protects the respiratory system against inorganic gases and vapors e.g. carbon disulfide, hydrogen sulfide, hydrogen cyanide, formaldehyde, mercaptans, ozone etc. with a concentration no higher than 0,5% within the simultaneous presence of toxic dust, fumes, and mists, provided that the concentration of the dispersed phase of aerosol does not exceed 20 x OEL (Occupational Exposure Limit).