Solid gum rubber stoppers provide a positive seal on carboys, etc. Inside diameter: 37 mm outside diameter: 45 mm width: 25 mm.
#8.5
Drilled Hole for airlock
Solid gum rubber stoppers provide a positive seal on carboys, etc
#8.5
Drilled Hole for airlock
Solid gum rubber stoppers provide a positive seal on carboys, etc