Replacement parts include: 1 x sealing ring, 1 x steam release valve, 1 x float valve, 3 x float valve gaskets, 1 x Anti-Block Shield, 1 x Anti-block shield fastener, 2 x valve sealing rings Size: Silicone ring: inner ring 22cm, outer ring 24cm Material: Made of silicone, reusable, cleanable, bendable without deformation The seal often washes away, causing the float to become loose and rendering the pressure cooker unusable. The float and seal are part of the lid on the Power Pressure Cooker and are crucial for its function. Pressure cooker accessories Sealing rings and Float valve seal Gasket are part of the lid on the Power Pressure Cooker and are crucial for its function. Replace the sealing ring every 18-24 months or when deformation occurs in your old sealing rings