Fluval External Filter Media Foams Fluval Foams capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. These inserts also enhance biological filtration. For freshwater and saltwater aquariums. Genuine Fluval filter consumables Captures large particles and debris for effective mechanical filtration Performs key role in first stage of the filtration process Enhances biological filtration Pore size allows efficient water flow with less clogging for long-lasting filtration Choose the pad size to fit your filter A220 - fits 104 / 105 / 106 (pack of 2) A222 - fits 204 / 205 / 206 / 304 / 305 / 306 (pack of 2) A226 - fits 404 / 405 / 406 (pack of 2)A228 - fits FX4 / FX5 / FX6 (pack of 3)
