Carbon filter type F233 FAC509 (sold individually) for ARISTON HOTPOINT / ARTHUR MARTIN / DE DIETRICH / ELECTROLUX / FAURE / INDESIT / / ZANUSSI extractor hoods Diameter: 233mm Thickness: 30mm Sold individually Made from high-quality AB90 carbon, its absorption power is twice that of the standard carbon quality frequently used in the market. As they have been given an anti-bacterial treatment, they are recommended for people who have breathing problems. This filter is equipped with a saturation indicator which changes colour when the filter needs replacing.