Sealing Ring Compatible With COSORI 8 QT Pressure Cooker Model CP018-PC. This ring is not created or sold by Cosori. - Compatibility and fit Engineered to fit COSORI 8 Quart Pressure Cooker CP018-PC model exactly as a replacement ring. - Material and durability Made from durable food-grade silicone for safe contact with food and long lasting performance. - Function and benefits Provides a reliable airtight seal to maintain proper pressure during cooking, helping to prevent steam leaks and ensure consistent results. - Replacement guidance Replace every 18-24 months or when deformation is noticed to preserve seal quality and performance. - Use scenarios 1) Replacing an old or worn sealing ring on a CP018-PC to restore reliable pressure and prevent leaks. 2) Before starting high-pressure recipes to ensure the cooker seals properly and avoids pressure loss. 3) During routine maintenance after disassembly for cleaning to maintain optimal cooker performance.