Item # RC310
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Mon - Fri: 8 AM - 5:30 PM CST
Sat: 9 AM - 1 PM CST

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Universal Carboy Cap

$3.95
Current stock: 0

Just as its name implies, this universal carboy cap is very versatile and works with many items:

  • It can be used to fit an airlock to a carboy. Just put the airlock in the center tube, and you're ready to go.
  • It can also be used to easily siphon your wine or beer into a secondary fermenter. A racking cane can be put through the center tube. Attach a hose to the racking cane and blow into the smaller tube of the cap to create pressure and start the siphon
  • Or, the universal carboy cap can be used to attach a blow-off hose for overly active fermentations. Just attach the hose to the cap. Then run the hose into a gallon jug of water, and you've got a high-volume airlock.
  • And of course, it can simply be used as a cap for your carboy while aging or storing.


The universal carboy cap fits 3, 5, and 6 gallon glass carboys (does not fit 6.5 gallon glass carboys). It is made of a silcone-rubber type material and is completely BPA free!

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Have a Question? Call: 800-353-1906

Mon - Fri: 8 AM - 5:30 PM CST
Sat: 9 AM - 1 PM CST

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