Carboy Bung (#10) Drilled

Grow Masters Gurnee

$2.95 

Pure white gum laboratory stopper drilled with 3/8"center hole to accommodate standard airlocks.
Used to provide a positive seal on carboys.
The #10 Drilled Stopper works well with Better Bottles and PET fermenters.

Top Diameter 1-15/16"
Bottom Diameter 1-5/8"
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