The Lux Bung is one of the finest wine barrel bungs and has been used worldwide. You get one chance to make a first impression. That couldn't be more true for your cellar or anywhere else.
The materials for the Lux Barrel Bung are all certified food grade and lead free.
For creating alcohol, use the bung as you would any regular silicon bung after malolactic fermentation.
Also, take the cup off and use it during secondary fermentation.
Three (3) inches long by one and three quarter inch wide at its narrowest end, tapering up to a little over two inches wide.