Description
This Product can be used as a rubber bung or as a grommet for our Cylindrical Airlock.
It has an 11mm hole bored through the center of the the bung, but you will need to cut a hole in the bottom of it for use with the Airlock.
Diameters are: TOP – 30mm, BOTTOM: – 24mm
Vic Rolfe (verified owner) –
I like The Malt Miller because they always give me free beer mats with every order! 😀