PRECUT 1.25" O.D. Blowoff Hose -3.5 ft, or 6 ft.
This Large blow-off tubing fits snug into 5, 6, or 6.5 gallon glass carboys. Also fits Big Mouth Bubbler® Universal lids. Simply push one end into the top of the carboy, place the other end in a jar or bucket of water, and you have an airlock for those high-gravity brews.