Replacement O-ring for the Fermonster Plastic Carboy lids (all sizes use same lid).
The o-ring is a little tricky to install so please be sure to watch our video in the video tab on how to install it.
Replacement O-ring for the Fermonster Plastic Carboy lids (all sizes use same lid).
The o-ring is a little tricky to install so please be sure to watch our video in the video tab on how to install it.