This cylindrical airlock with floating bubbler has three pieces for easy cleaning. Fill the inner chamber with sanitized water and safely ferment. The #6.5 stopper will fit most standard glass carboys. LCD thermometer is perfect for ensuring a safe fermentation temperature, and is waterproof making them last quite awhile.
~Set of Four~
4- Three piece airlocks
4- #6.5 Stoppers
4- LCD Thermometers
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