Rubber Carboy Blow Off Hood w/White Caps (3, 5, 6, 6.5 Gallon smooth neck)
2-spout carboy cap for 3, 5, and 6 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 airlock in the larger center opening. For an easy way to transfer liquids, insert a racking cane down the center tube, and blow or pump air into the smaller opening to start a siphon.