Amazon.com: 2 Pack Replacement Presto Pressure Cooker Sealing Ring Gasket/ Gasket & Overpressure Plug (2 Sets per Pack) - Part 09924 Fits Various 6 & 8 Quart Presto Models : Home & Kitchen
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
Presto 4 to 6 Qt. Pressure Cooker Gasket - Canaan Hardware and Supply