Presto 09901 Pressure Cooker Sealing Ring and Automatic Air Vent The 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. 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 push down firmly. Open and close the cover several times. Fits Presto Pressure Cooker model: 40, 106, 206, 406, A601A, A603A, A603AD, A603AT, A605A, A605B, A607A, A608A, A609A, A610A, A611A, A612A, A613A, A614A, A615A, A616A, A617A, A618A, A619A, A620A, A621A, A622A, A623A, KE03A, KE03AT, PB02A, PB06A, PB08A, PB09A, PB10A, PB11A, 01/PCC6, 01/PCC6A, 01/PCC6AD, 01/PCC6AM, 01/PCC6D, 01/PCC6H, 01/PCC6HD, 01/PCC6HM, 01/PCC6T, 01/PCD6, 01/PCD6A, 01/PCD6H, 01/PCE6, 01/PCE6A, 01/PCE6H, 02/PCE6H. Features Presto 09901 Pressure Cooker Sealing Ring for 6 Quart Includes automatic air vent Replaces Presto parts 2295 and 33014. Please check product description for all the model numbers. Automatic air vent replaces Presto parts 393 and 82058 The product is from China Includes Automatic Air Vent. Replaces Presto parts 2295 33014. Automatic Air Vent replaces Presto parts 393 82058. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.