Glass Tube, 20 mm glass, 12" long

This glass tubing cutter has a single blade held in a nickel-plated die-cast housing.

Makes a good reaction or resonance tube.

5mm glass tubes fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing.

5mm glass tube fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing. Pack of two.

5mm glass tubes fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing.

You will always have the right size rubber stopper on hand with this 2 lb package of assorted solid, 1-hole and 2-hole stoppers ranging in size from #00 to #8. You get 60 stoppers total.

Pack of two test tubes.

Pack of two extra large test tubes, 20 x 150 mm.

Get lab glass test tubes in three sizes: small, large & extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six. Bulk pricing discounts apply for them all!

Pack of six test tubes.