Gas permeable filter cartridge for a sterile container

Disclosed is a filter cartridge (2) which as part of a filter system (36) in a sterile container lid (14) can be attached. The sterile container lid (14) serves to close a sterile container and to allow a gas exchange between the container exterior and the tank interior without the contained goods to rekontaminieren. In addition, the filter system (36) performs a valve function. It is to center the filter cartridge (2) with respect to the sterile container lid (14) to the filter cartridge (2) is provided a first centering means (10) which cooperates with an at the Sterilbehalterwandungsabschnitt (14) provided second centering means (12) when the filter cartridge ( 2) is used in the sterile container lid (14).