Presto Genuine Overpressure Plug suits Presto 23 Quart Pressure Canner and Pressure Cookers

DescriptionThe overpressure plus is used on Presto Pressure Cookers and CannersSteam is automatically released by the overpressure plug if the vent pipe becomes cloggedthat the overpressure plug should generally be changed at the same time as the gasket, the seal kit includes an overpressure plug if your needing a seal aswell