Description

Drilled No. 10 Stopper

The drilled stopper number 10 creates an air-tight seal with our 3 gallon and 6 gallon carboys. The white gum rubber material sticks perfectly to glass and PET, even when they are wet. It comes with a 3/8″ pre-drilled hole that fits our s-bubbler type airlock or our 3-piece airlock.

Top Diameter: 1.969″
Bottom Diameter: 1.654″
Hole Diameter: 0.375″
Typical Usage: 3, 5, & 6 Gallon Plastic Carboys

Additional information