Rubber Stopper, Drilled



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Product Description

A solid rubber stopper with a hole drilled to accommodate an airlock. Comes in many sizes for multiple applications.















Size Top Bottom Use
#2 3/4″ 5/8″ Standard beer bottles
#3 15/16″ 3/4″
#6 1 1/8″ 1 1/16″
#6.5 1 3/8″ 1 1/8″ 1 gallon carboys
#7 1 7/16″ 1 3/16″
#7.5 1 1/2″ 1 1/4″
#8 1 5/8″ 1 3/8″ 1 liter Erlenmeyer flask
#8.5 1 11/16″ 1 7/16″ Certain types of plastic carboy
#9.5 1 13/16″ 1 1/2″ 2 liter Erlenmeyer flask
#10 1 15/16″ 1 5/8″ Certain types of plastic carboy
#11.5 2 1/2″ 2″

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