A shower filter, wherein - the shower filter comprises a filter body having a first flow channel and a second flow channel; - the filter body comprises an outer sleeve having a first outer sleeve end, a second outer sleeve end and an outer sleeve wall extending between the first and second outer sleeve ends (40, 42); - the first outer sleeve end comprises a first outer sleeve opening, and the second outer sleeve end comprises a second outer sleeve opening; - the filter body comprises an inner sleeve having a first inner sleeve end, a second inner sleeve end and an inner sleeve wall extending between the first and second inner sleeve ends (36, 37), the inner sleeve wall is arranged define an inner body space inside the inner sleeve; - the first inner sleeve end comprises a first inner sleeve opening, and the second inner sleeve end comprises a second inner sleeve opening; - the inner sleeve is arranged inside the outer sleeve, and an intermediate body space is provided between the outer sleeve wall of the outer sleeve and the inner sleeve wall of the inner sleeve; and - a first filter cartridge provided in connection with filter body at the first outer sleeve end and the first inner sleeve end, the first filter cartridge is arranged in fluid communication with the intermediate body space and the inner body space; wherein the first flow channel is arranged to extend from the outer sleeve wall to the intermediate body space, the first flow channel being open to outside of the outer sleeve wall and to the intermediate body space; the second flow channel is arranged to extend from the outer sleeve wall to the inner body space, the second flow channel being open to outside the outer sleeve wall and inside the inner body space; the shower filter comprises a second filter cartridge provided in connection with filter body at the second outer sleeve end and the second inner sleeve end, the second filter cartridge is arranged in fluid communication with the intermediate body space and the inner body space; and the first inner sleeve opening of the first inner sleeve end is arranged open to the inner body space, and the second inner sleeve opening of the second inner sleeve end is arranged open to the inner body space. - the shower filter comprises a filter body having a first flow channel and a second flow channel; - the filter body comprises an outer sleeve having a first outer sleeve end, a second outer sleeve end and an outer sleeve wall extending between the first and second outer sleeve ends (40, 42); - the first outer sleeve end comprises a first outer sleeve opening, and the second outer sleeve end comprises a second outer sleeve opening; - the filter body comprises an inner sleeve having a first inner sleeve end, a second inner sleeve end and an inner sleeve wall extending between the first and second inner sleeve ends (36, 37), the inner sleeve wall is arranged define an inner body space inside the inner sleeve; - the first inner sleeve end comprises a first inner sleeve opening, and the second inner sleeve end comprises a second inner sleeve opening; - the inner sleeve is arranged inside the outer sleeve, and an intermediate body space is provided between the outer sleeve wall of the outer sleeve and the inner sleeve wall of the inner sleeve; and - a first filter cartridge provided in connection with filter body at the first outer sleeve end and the first inner sleeve end, the first filter cartridge is arranged in fluid communication with the intermediate body space and the inner body space; the first flow channel is arranged to extend from the outer sleeve wall to the intermediate body space, the first flow channel being open to outside of the outer sleeve wall and to the intermediate body space; the second flow channel is arranged to extend from the outer sleeve wall to the inner body space, the second flow channel being open to outside the outer sleeve wall and inside the inner body space; the shower filter comprises a second filter cartridge provided in connection with filter body at the second outer sleeve end and the second inner sleeve end, the second filter cartridge is arranged in fluid communication with the intermediate body space and the inner body space; and the first inner sleeve opening of the first inner sleeve end is arranged open to the inner body space, and the second inner sleeve opening of the second inner sleeve end is arranged open to the inner body space.