#3-#7 Stopper Fermentor With Lock Bubbler with Universal Carboy Stopper for Fermentation Stoppers Covers Blue

Three-piece lock：
Use with stainless steel barrel or fermenter fermenter to isolate air from carbon dioxide

Stopper：
#3 23mm（Upper diameter） 17mm（Lower diameter） 26mm（height）: blue
#4 25mm 19mm 28mm :green
#5 28mm 24mm 23mm :yellow
#6 33mm 25mm 26mm :orange
#7 37mm 30mm 30mm :red

Package:
1 x Stopper +1 x Air Bubbler with Universal Carboy Stopper









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