Gas filter 297, Class 1, is designed for use together with Sundström half masks and full face masks.
The filter is of type ABEK and provides protection against the following types of gases and vapours:
Type A protects against organic gases and vapours, such as solvents, with boiling points +65°C.
Type B protects against inorganic gases and vapours, such as chlorine, hydrogen sulphide andhydrogen cyanide.
Type E protects against acidic gases and vapours, such as sulphur dioxide