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Feature

3-piece airlock
Cylinder airlock
#6.5 stopper / bung with airlock hole

Description

3 piece airlocks with #6. 5 rubber stoppers. (pack of 3 airlocks with 3 matching stoppers)use this airlock and stopper in your fermenter to create a closed system that allows co2 out and prevents harmful bacteria from getting in. fill to the marked line with sanitizer or boiled water. use with a drilled stopper. these stopper fit most gallon jugs and 38mm screw cap jugs.