"tube coolers"

More durable than standard PVC.

Economical plastic test tubes.

This microcentrifuge tubes is made of polypropylene with attached lid provides a tight, leakproof seal.

Tube clamp with finger grip.

Connector tubing for many applications.

Perfect Laboratory Glass Tubing.

A pair of tubes for elecrolysis experiments.

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This top quality butyrate tubing comes in 6" lengths, has an outside diameter of ⁷/₃₂" and an inside diameter of ⁵/₃₂". Smooth ends.

Different heights, thickness, and lengths to meet all your class and lab needs.

Verify gas production in fermentation exercises, gas produced by yeast or other organisms rises into a 5 or 10 ml evolution tube.