Glass Tube, 20 mm glass, 24" long

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

Makes a good reaction tube.

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.

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 extra large test tubes, 20 x 150 mm.

Pack of two test tubes.

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!

For clamping rubber and plastic tubing to stop the flow of liquid.