Silicone Bung
BPA free food grade silicone stopper/bung. 000 size ie 13 mm top, 9mm bottom, 25 mm length) inserts into 3/8" grommet hole which is the standard size for fermentation airlocks.
BPA free food grade silicone stopper/bung. 000 size ie 13 mm top, 9mm bottom, 25 mm length) inserts into 3/8" grommet hole which is the standard size for fermentation airlocks.