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> Products > #9.5 Drilled Rubber Stopper (DRS)
Airlocks And Stoppers - #9.5 Drilled Rubber Stopper (DRS)

#9.5 Drilled Rubber Stopper (DRS)

$3.25

Our #9.5 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper that has a top diameter of 1 13/16", a bottom diameter of 1 1/2", and  a 3/8" hole drilled in the center, the perfect size for an airlock. 

This stopper fits most 2000 mL Erlenmeyer flasks.

The #9.5 rubber stopper is also available as a #9.5 solid rubber stopper.