Presto® 09903 Pressure Cooker Sealing Ring with Automatic Air Vent Thanksgiving Hallmarking: "C3" and "USA" on

Hallmarking: "C3" and "USA" on 5/16" and larger

Maintenance:

Lightweight with excellent ergonomics

Nylon-vinyl grip solid steel handle

For a light tint

Presto® 09903 Pressure Cooker Sealing Ring with Automatic Air Vent Thanksgiving Hallmarking: "C3" and "USA" onThe sealing ring fits around the inside rim of the cover and forms a pressure tight seal between the cover and the body of the pressure cooker during cooking or canning. When installing a sealing ring, work it into the cover in four small sections, for example, top, bottom, left and right. Work it into the groove a small section at a time until it is fully in place. Place the cover on the cooker body. Put one hand on the top center of the cover and