Presto Overpressure Plug suits Presto 23 Quart Pressure Canner and Pressure Cookers cow castration For fresh preserving follow a

For fresh preserving follow a tested preserving recipe such as those found in the Ball Blue Book Guide to Preserving

brevitarsus for 6 days post treatment

Ready to use spray bottles

99% of oxygen from sealed containers

Supplied complete with spare seals set

Presto Overpressure Plug suits Presto 23 Quart Pressure Canner and Pressure Cookers cow castration For fresh preserving follow aThe overpressure plus is used on Presto Pressure Cookers and Canners built after 1977. Steam is automatically released by the overpressure plug if the vent pipe becomes clogged and excess pressure cannot be released normally. Note that the overpressure plug should generally be changed at the same time as the gasket (and the sealing ring kit sold separately includes an overpressure plug)