Rubber Stopper - Drilled Carboy Bung (#7) - Pack of 3

#7.5 - This rubber stopper is for typical plastic carboys

Size: 7.5 Top Diameter: (37mm 1-7/16') 
Bottom Diameter: (20mm 1-3/16') 
Length: (25mm 1') 
One Hole Diameter: 5mm