Universal Carboy Cap for Smooth Neck Carboys also used as Carboy Blow Off Hood (Smooth Neck Carboys)
So much easier than a bung!
Rubber Carboy Blow Off Hood with two attachments for vinyl blow off hoses (3/8" or 1/2"). Fits our 3, 5, 6, or 6.5 gallon glass carboys with smooth necks. Can also be used on 3, 5 and 6 gallon plastic carboys.
Works with the Stainless Blow Off Tubes 3/8 in SKU BMFE520 or 1/2 in SKU BMFE521
TIP: Carboy hoods are exceptionally useful for blowoff tubes. Just add 3' of 1/2" racking tubing into a bucket of water as your airlock.