Rubber Carboy Blow Off Hood w/ White Caps (3, 5, 6, 6.5 Gallon smooth neck)
2-spout carboy cap for 3, 5, 6, and 6.5 gallon glass carboys. The two different size spouts allow you to connect a variety of fittings and use it in multiple ways. Insert a standard aitlock in the larger center opening.