1 x Replacement Fermenting Rubber Seal
1 x Food safe rubber replacement seal (grommet) to fit Ozfarmer/Ball Mason/Weck fermenting jars
The medium size grommet (as shown in photo) is rounded on the top and has been used since March 2018.
The large size grommet is flat on top and is still being used on some fermenting jars.
- Model: Fermenting grommet