Replacement O-Ring for Fermonster

A replacement o-ring for the lid on a Fermonster Creates a great seal for the Fermonster lid! Easy to install, it is always good to have a spare on hand! Need a replacement o-ring for the lid in your Fermonster? This is the replacement o-ring that fits into the lid of your fermonster, creating a good, tight seal for fermentation. O-rings may wear out with time and usage, so it is a good item to have on hand! If you are ordering a replacement Fermonster lid or solid Fermonster lid, you will need this if your original o-ring has also become damaged or gone missing. Always keep a good seal with a spare Fermonster o-ring! Product Features A replacement o-ring for the lid on a Fermonster Creates a great seal for the Fermonster lid! Easy to install, it is always good to have a spare on hand!