Gasket compatibility and purpose - Rubber gasket compatible with all 5 and 6 quart Power Cooker XL models PPC770, PPC770-1, PPC771, PRO, WAL1, WAL2 and YBD60-100. Note: This gasket is not manufactured or sold by Power Cooker. Dimensions and fit - Please refer to the image for exact dimensions. Interior diameter: 22.00 cm; exterior diameter: 24.00 cm. - Do not purchase if your old gasket’s dimensions differ or if your cooker model is not listed above, as it may not fit properly. Material and maintenance - Made from durable silicone. Replace every 18-24 months or when deformation is noticed. Use scenarios - Replace a worn or deformed gasket to restore a reliable seal and prevent steam leaks during pressure cooking. - Use as a compatible replacement part when maintaining or refurbishing Power Cooker XL models listed (PPC770, PPC770-1, PPC771, PRO, WAL1, WAL2, YBD60-100). - Perform routine maintenance or replace after long-term use to ensure optimal sealing and performance.