Carboy Cap_Large / Smooth Neck

Carboy Cap:

For your 3, 5, 6, 6.5-gallon glass, smooth neck carboys (See picture below).  Thermowell not included.

Use the carboy cap with an air lock or blow-off tube.  

(If you have a threaded neck carboy, please see our Carboy Caps for 6.5-gallon glass threaded neck carboys.)

Smooth Neck Carboy	Threaded Neck Carboy