Presto 09903 Pressure Cooker Sealing Ring With Overpressure Plug (075741099033-1)
Amazon.com: 2-Pack of Presto Pressure Cooker Sealing Ring / Gasket & Overpressure Plug (2 Sets per Pack) - Part 09936, 09904 and 50295 - Fits Various 6-Quart Presto Models - By IMPRESA : Home & Kitchen