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. This sealing ring will directly replace your existing ring. The kit includes the sealing ring and a replacement rubber over-pressure plug.
For Presto 3 quart and 4 quart cookers
For use with model number 50 (4 quart version), 60 (4 quart version), 603 and 604
Sealing ring fits around inside rim of cover and forms a pressure-tight seal between cover and body during cooking