#3 Rubber Tapered Stopper With 8mm Hole – Lab Grade – Lot Of 12

Here's a handy lot of 12 new, unbranded #3 rubber tapered stoppers, each featuring a single, larger hole measuring approximately 8mm.

These are perfect for any lab setting, whether you're a hobbyist, a student, or a professional.

The large hole is ideal for passing glass tubing, thermometers, or stirring rods through.

They're made from standard black rubber and are in new condition.

Having a dozen on hand means you'll always have the right stopper for your flasks or test tubes.

These are basic, reliable, and get the job done.

Stock up your lab drawer with this bulk pack of #3 stoppers.