Cartridge for self-cleaning filter. Cartridges with mechanical action, suitable for the removal of undesired particles inside water, as for example, ferrous scales, small stones and debris of different type. Resistant to temperatures up to 80°C, are made of a filtering element , a central body in polypropylene and from PVC sealing gaskets. Cartridge for self-cleaning filter, is equipped with a specific spring for filters of Mantafilter Auto/C series with backwash system (filtering grade 50 μm). The main use is inside the domestic field, for the protection of boiler, dish washer, washing machine, or upstream of the general hydric system of houses (immediately after the counter of the energy operator of the integrated hydric service).