515 ABE1 gas filter for use in the SR 500 fan. Protects against the following gases/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 and hydrogen cyanide. Type E protects against acidic gases and vapours, such as sulphur dioxide and hydrogen fluoride.
The SR 500 fan unit must always be used with two particle filters or two combined filters consisting of gas filters and particle filters.