B2 Gas filter+P1 Particulate filter

B2+P1 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% and non-toxic solid and liquid aerosols, provided that the concentration of the dispersed phase of aerosol does not exceed 4 x OEL (Occupational Exposure Limit).