Mirro M-0598-11 gasket - Material and packaging: Made from high-quality, durable, food-grade silicone. Factory sealed and individually wrapped. - Compatibility: Suitable for 4, 6 and 8 quart Mirro pressure cookers. Replaces part numbers S-9892, S9892, 9892. Fits Mirro models (partial list): M-0296, M-0436, M-0498, M-0536, M-0596, M-0598, M-0646, M-1952, M-1956, including variants such as M-0536-11. - Dimensions: Outer diameter 10.08 in, inner diameter 10 in, thickness 0.4 in. All dimensions are approximate as gaskets can stretch or shrink to fit specific lids. - Installation and care: Simple to install. To ensure compatibility, measure your old gasket and pressure cooker pot. Gaskets are shipped up to 1 inch larger to tolerate normal shrinkage. Soak the gasket in warm water for 10 minutes before installing to increase pliability. - Benefits: Provides a reliable seal, durable and reusable, safe for food contact. - Use scenarios: 1) Replacing a worn gasket on a 4, 6, or 8 quart Mirro pressure cooker to restore proper sealing and pressure. 2) Refurbishing an older Mirro cooker to improve sealing performance and prevent steam leaks. 3) Performing routine gasket maintenance during regular cooker maintenance to maintain optimal sealing.