This product bottle water electrolysis hydrogen, hydrogen, hydrogen for gas by pressure swing adsorption, catalytic oxygen adsorption drying and filtration and high purity hydrogen, is a catalytic hydrogen device, this device uses a special catalyst with high activity, to impurities in the hydrogen and oxygen is reduced to 5ppm, and long-term use, without treatment. Therefore, this device can be widely used in the electronics, semiconductor, metallurgy, petroleum, chemical and glass needs relating to scientific research and the production of high purity hydrogen sector