Airlock - Grommets (3pk)
These are replacement grommets for plastic bucket fermenter lids. It is made out of rubber and fits perfectly in a 9/16" diameter hole.
When in a bucket it has a 3/8" inner diameter which is perfect for an airlock.
It's always a good idea to have a couple of these on hand.
- Made of rubber
- Fits in 9/16" diameter hole
- 3/8" Inner diameter
- Perfect for air locks