Combinated Gas Filters
The gas filters are used together with a gas mask and ensure the respiratory protection against chemicals, in the form of gases, vapors, particles and aerosols. It doesn't ensure protection when it is used in atmosphere with an oxygen deficit in the air (less than 17%).
Gas filters connectors are according to SR EN 14387 + A1: 2008, SR EN 148-1: 2000 (racord 40x1/7") & SR EN 143: 2002 + A1: 2008.