E2 Gas filter+P1 Particulate filter

E2+P1 set of filters in combination with a half-mask respirator protects the respiratory system against sulphur dioxide and other acid gases and vapours including hydrogen chloride, nitrogen oxide, sulphuric acid, formic acid, acetic acid, 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).