Set of filtering pads suitable for the EHEIM external filters professionel 2222, 2224 and the thermo filters 2322 and 2324. Also suitbale for the filters eXperience 150, 250 and 250T. The set contains 2x filter fleece pads, fine white and 1x filter foam pad blue. The white filter fleece pad should be always replaced when filter cleaning. The blue foam pad is reusable several times. To clean just rinse and squeeze out.Do you have questions about this article ?