Filter A1 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 gases. Ideal or protection of organic gases and vapours with a boiling point >65°C, and suitable for the retention of particles from welding fumes. 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: 0.082kg.