the invention relates to a filter cartridge for a filter for filtering liquid or gaseous media comprising two front disks and a substantially hollow cylindrical filter member arranged inbetween the two front disks , with the medium to be filtered flowing through the filter member , with at least one of the front disks provided with a central aperture whereby the filter cartridge is axially mountable onto a medium inlet pipe or outlet pipe with at least one seal sealingly positioned inbetween , and wherein the filter cartridge is detachable from the pipe for replacement . the filter cartridge is designed as a replacement filter cartridge for replacing common filter cartridges having metal parts , wherein the filter consists of paper and / or cotton and / or felt and / or thermally usable plastic non - woven fabric , wherein the front disks and formed of thermally consumable plastic and the seal is formed of a flexible thermally consumable material .