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.
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
There are currently no written reviews for this product.
We ship to all 50 US states, Canada, and select international destinations through our partner Neokyo.