Presto Rubber Pressure Cooker Sealing Ring 21 qt

This Presto 09907 Pressure Canner Sealing Ring makes is a useful accessory for people who enjoy do-it-yourself projects. It helps form an airtight seal between the cover and body of the pressure canner. The Presto pressure canner sealing ring comes with an overpressure plug. It is made to fit Presto pressure canner models 0174510, 175107, 0175510 and 178107.