XIANQI Silicone sealing ringFood-grade silicone is the main environmentally safe raw material. It has the characteristics of non-toxic, odorless, anti-distortion, non-deformation, high and low temperature resistance, stable chemical properties and fade resistance. It can replace the original sealing ring and cook safely. The snug fit of the inner rim forms a tight seal between the pressure cooker and the lid. High quality pressure relief valveAs a safety protection, the pressure relief valve is not leakproof. This design is convenient for displacement and exhaust. Our exhaust valve closely follows this design, but there is an additional device for manual exhaust. Full Safety Combination Air ValveThe float seal is connected with the float valve, the float valve float is connected to the pressure limiting valve and the sealing ring is fitted. Such a waterproof device guarantees the safety of the pressure cooker and gives you a good cooking environment. Color: red, blue, white Size: outer diameter 24CM inner diameter 22CM Quantity delivered: 3 pieces