Universal Hedpack Cap
Universal rubber cap fits and seals over carboy neck. Rubber top has 2 outlets to accommodate racking canes, tubing or airlocks. Fits standard 3, 5, or 6-gallon glass carboys. For starting siphons - put a racking cane through the center tube; fit the cap over the mouth of the carboy, then blow hard into the second hole to prime a siphon.