MEMBRANE HUMIDIFIER FOR CARTRIDGE FUEL CELLS

The present disclosure relates to a cartridge type fuel cell membrane humidifier including a housing including an exhaust gas inlet through which exhaust gas discharged from the fuel cell stack is introduced and an exhaust gas outlet configured to discharge the exhaust gas, and a cartridge disposed inside the housing and including a plurality of humidification membranes, the cartridge includes an inner case in which the plurality of humidification membranes are disposed, and a potting unit configured to fix the plurality of humidification membranes, the inner case including a first window portion disposed adjacent to the exhaust gas inlet and including a plurality of windows and a second window portion disposed adjacent to the exhaust gas outlet and including a plurality of windows, and the first window portion including the plurality of windows having different sizes.