- Function: Silicone gasket replacement to restore a tight seal and reliable pressure cooking for 5- and 6-quart Power Cooker XL models. - Compatibility: Fits PPC770, PPC770-1, PPC771, PRO, WAL1, WAL2 and YBD60-100 (5 & 6 quart). This is not an official Power Cooker product. - Dimensions: Interior diameter 22.00 cm; exterior diameter 24.00 cm. Please review the image for exact sizing. - Fit guidance: Do not purchase if the dimensions do not match your old gasket or if your cooker model is not listed; improper fit may occur. - Material: Durable food-grade silicone designed for repeated use in pressure cooking. - Replacement timing: Replace every 18-24 months or when deformation is noticed to maintain performance. - Benefits: Maintains an airtight seal, reduces the risk of leaks, and supports consistent cooking results over time. - Use scenarios: - Replacing a worn gasket on PPC770/771 or similar models to restore seal after extensive use. - Keeping a spare gasket on hand for frequent pressure cooking to minimize downtime. - Performing routine maintenance and replacement at recommended intervals to ensure reliable pressure performance.