materials: Made from materials with high temperature resistance and pressure resistance, to that the products can work normally under high temperature and pressure, and have strong durability design: The exhaust Valves is designed with, which can accurately control the pressure release in the pot and avoid accidents caused by excessive pressure Automatic control: The product has the function of automatic, and will automatically exhaust after reaching the set pressure, without manual intervention, thus reducing the user ' s complicated Safe and: The exhaust Valves of electric is an important accessory specially designed for electric, which can effectively discharge the pressure in the cooker and safe use Easy installation:, just fix the exhaust Valves on the electric without additional professional tools