THIS IS A MULTIFUNCTION RUBBER STOPPER: It is a drilled rubber bung with standard size opening to fit an airlock that converts to a solid rubber stopper: Insert the attached plug to convert the drilled stopper into a solid rubber bungs for maintaining an oxygen-free environment.
VARIETY OF FITS: Solid rubber stoppers fit into a variety of different brewing vessels, and each stoppers measurement is specified in the product pictures.
FERMENT YOUR FAVORITES: Use to preserve finished beer, wine, mead, cider, sauerkraut, kimchi, hard kombucha, and so much more.
PREMIUM MATERIALS: All the solid rubber stoppers are made of food grade rubber, sturdy, durable, and long-lasting.
HOMEBREWING ESSENTIAL: A must-have for all home fermenters, homebrewers, and DIYers. (Set of 3)
Description
Fermentation Solid and Drilled Comb Rubber Stopper - #6.5 (Set of 3) rubber stopper with attached plug, featuring a precisely drilled 7/16” center ribbed hole to accommodate standard fermentation airlocks and to securely hold the plug in place. The tapered design ensures a snug, leak-resistant seal. Ideal for use with large glass fermenters in homebrewing, winemaking, cider making, and other fermentation projects. Fits most standard neck carboys. Homebrewing essential, A must-have for all home fermenters, homebrewers, and DIYers. 1 inch bottom diameter, 1-3/8 inch top diameter.
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