A humidifying filter comprises a tank, a first pipe, a first filter element and a second filter element. The first pipe connects the inside and the outside of the tank and has a first end for receiving a gas mixture of hydrogen and oxygen and a second end corresponding to the first end for inputting the gas mixture of hydrogen and oxygen into the tank. The first filter is set on the second end of the first pipe for filtering out impurities from the gas mixture of hydrogen and oxygen. The first conduit connects the inside and the outside of the tank for outputting the gas mixture of hydrogen and oxygen after filtration. The gas generator comprises an electrolytic tank and the humidifying filter. The humidifying filter is used for receiving and filtering the gas mixture of hydrogen and oxygen generated by the electrolytic tank.濕化過濾器包含槽體、第一導管、第一過濾件以及第一管道。第一導管連通槽體內部與外部,並具有用以接收一氫氧混合氣體之一第一端,以及對應第一端並用以將氫氧混合氣體輸入至槽體內之一第二端。第一過濾件設置於第一導管之第二端,用以過濾氫氧混合氣體中之一雜質。第一管道連通槽體內部與外部,用以輸出過濾後之氫氧混合氣體。具有濕化過濾器之氣體產生裝置包含電解槽及上述濕化過濾器。電解槽電解水以產生氫氧混合氣體。濕化過濾器可用以接收並過濾電解槽產生之氫氧混合氣體。2‧‧‧濕化過濾器20‧‧‧槽體200‧‧‧蓋體21‧‧‧第一導管210‧‧‧第一端212‧‧‧第二端22‧‧‧第一過濾件23‧‧‧第二過濾件24‧‧‧支導管240‧‧‧單向閥25‧‧‧第一管道26‧‧‧閥門27‧‧‧第二管道29‧‧‧第三管道