Conforms to EN 143:2000/A1 and EN14387. Protects against both toxic gases and vapours and also particles. This particular filter is an ABEK Class 1 Hg P3 R D filter which protects against a wide range of gases and particles. The filter class indicates the filters’ capacity and protects against class 1 gases and vapours. To determine whether this filter is suitable for your application it’s important to know the maximum permissible concentration of the substance you’re working with and the occupational exposure limit. The coloured rings around the casing of the filter will help identify which gases the gas filter protects against and whether it is suitable for particles. This particular ABEK filter can be reused (for more than one work shift), however it’s important that you’re able to tell when your filter has come to the end of its life and can no longer be used. Can be used for protection in a wide range of applications.