The Preserving Ring is the key to the sealing process and it will determine the success of your preserving. The ring provides an even, airtight seal which creates a vacuum. This size 4 rubber ring is perfect for bottles sizes: 31, 36 and 65.
Fowlers Preserving Rings are made from natural rubber and are packed in Australia.
It is strongly advised that the rings be used only once and should be disposed of after opening processed bottles. Re-use of rubber rings will hinder or prevent the sealing process. This potentially will result in the loss of contents.
Key Features: Size # 4. 12 pack. Suitable for Fowlers Vacola bottles size # 31, 36 and 65.