Presto 09901 Pressure Cooker Sealing Ring and Automatic Air Vent 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.