ION EXCHANGER FILTER DEVICE AND ION EXCHANGER CARTRIDGE

An ion exchanger filter device (100), in particular for a fuel cell system, the ion exchanger filter device (100) comprising a housing (102) comprising a cover (112) and at least one inflow opening (104) and at least one outflow opening (106) for a medium, the housing (102) extending in an axial direction (80), and an ion exchanger cartridge (10) being enclosed by the housing (102) and comprising one or more inflow ports (34) at an upstream end (20), and a circumferentially extending wall (32) enclosing a receptacle (16) filled with an ion exchanger material (12), the wall (32) comprising one or more outflow ports (18) at a downstream end (21) opposing the upstream end (20). The upstream end (20) comprises a sealing plane (60) providing a sealing contact to the housing (102), the sealing plane (60) being inclined to the axial direction (80) by an angle (70).