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 B 401 A 4 Quart Pressure Cooker Stainless Steel - Etsy
Presto 09985 Pressure Canner Sealing Ring 75741099859 | eBay
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