Rubber Stopper - Drilled Carboy Bung (#5)

#5 - This rubber stopper is for typical Big Mouth glass carboys, test tubes, flask stoppers or other bottles.

Size: 5 Top
Diameter: (27mm 1-1/16')
Bottom Diameter: (23mm 29/32')
Length: (25mm 1')
One Hole Diameter: 5mm