Filter A1B1E1K1 designed for the protection of gases and vapours of chemical compounds. Consisting of black circular cartridges made of high-density polyethylene that can be attached to a cover made of the same material. These filters are designed for use with Cofan half masks respirators (reference 11002131). They offer protection against type A, B, E and K gases. Ideal or protection of organic gases and vapours with a boiling point >65°C, inorganic vapours and gases (such as chlorine, hydrogen sulphide and hydrocyanic acid), as well as sulphur dioxide and ammonia, and their organic derivatives. You can insert the filter into the mask by means of a non-standardised thread. It should be noted that a particle protection pre-filter must be included between the cover and the cartridge itself. Conforms to EN 14387:2004+A1:2008 of Regulation (EU) 2016/425 and is CE marked. Weight: 0.097 kg.